Exhibit 16

                         POWER OF ATTORNEY FOR SIGNATURE

The undersigned constitutes Cameron S. Avery, J. Kevin Connaughton, Heidi A.
Hoefler, Russell L. Kane, John M. Loder, Brian D. McCabe, Vincent P.
Pietropaolo, David A. Rozenson, Mark A. Wentzien and Stacy H. Winick
individually, as my true and lawful attorney, with full power to each of them to
sign for me and in my name, any and all registration statements and any and all
amendments to the registration statements filed under the Securities Act of 1933
or the Investment Company Act of 1940 with the Securities and Exchange
Commission for the purpose of complying with such registration requirements in
my capacity as a trustee, manager or officer of CMG Fund Trust, Colonial
California Insured Municipal Trust, Colonial High Income Municipal Trust,
Colonial Insured Municipal Fund, Colonial InterMarket Income Trust I, Colonial
Intermediate High Income Fund, Colonial Investment Grade Municipal Trust,
Colonial Municipal Income Trust, Colonial New York Insured Municipal Fund,
Columbia Common Stock Fund, Inc., Columbia Balanced Fund, Inc., Columbia Growth
Fund, Inc., Columbia Mid Cap Growth Fund, Inc., Columbia Small Cap Growth Fund,
Inc., Columbia Real Estate Equity Fund, Inc., Columbia International Stock Fund,
Inc., Columbia Fixed Income Securities Fund, Inc., Columbia Daily Income
Company, Columbia Strategic Investor Fund, Inc., Columbia Technology Fund, Inc.,
Columbia Oregon Municipal Bond Fund, Inc., Columbia National Municipal Bond
Fund, Inc., Columbia Short Term Bond Fund, Inc., Columbia High Yield Fund, Inc.,
Columbia Funds Trust I, Columbia Funds Trust II, Columbia Funds Trust III,
Columbia Funds Trust IV, Columbia Funds Trust V, Columbia Funds Trust VI,
Columbia Funds Trust VII, Columbia Funds Trust VIII, Columbia Funds Trust IX,
Columbia Funds Trust XI, Columbia Floating Rate Advantage Fund, Columbia
Floating Rate Fund, Columbia Floating Rate Limited Liability Company, Columbia
Institutional Floating Rate Income Fund, Liberty Variable Investment Trust and
SteinRoe Variable Investment Trust (collectively, the "Columbia Funds"), or any
mutual fund for which Columbia Funds Distributor, Inc. serves as principal
underwriter or distributor or Columbia Management Advisors, Inc., any of their
affiliates or any of their successors, serves as investment manager or
administrator.

This Power of Attorney authorizes the above individuals to sign my name and will
remain in full force and effect until specifically rescinded by me. I
specifically permit this Power of Attorney to be filed, as an exhibit to a
registration statement or amendment to a registration statement of any or all
Columbia Funds, with the Securities and Exchange Commission and I request that
this Power of Attorney then constitutes authority to sign additional amendments
and registration statements by virtue of its incorporation by reference into the
registration statements and amendments for such Funds.

In witness, I have signed this Power of Attorney on this 10th day of December,
2003.

                                              /s/ Thomas E. Stitzel
                                              THOMAS E. STITZEL




                         POWER OF ATTORNEY FOR SIGNATURE

The undersigned constitutes Cameron S. Avery, J. Kevin Connaughton, Heidi A.
Hoefler, Russell L. Kane, John M. Loder, Brian D. McCabe, Vincent P.
Pietropaolo, David A. Rozenson, Mark A. Wentzien and Stacy H. Winick
individually, as my true and lawful attorney, with full power to each of them to
sign for me and in my name, any and all registration statements and any and all
amendments to the registration statements filed under the Securities Act of 1933
or the Investment Company Act of 1940 with the Securities and Exchange
Commission for the purpose of complying with such registration requirements in
my capacity as a trustee, manager or officer of CMG Fund Trust, Colonial
California Insured Municipal Trust, Colonial High Income Municipal Trust,
Colonial Insured Municipal Fund, Colonial InterMarket Income Trust I, Colonial
Intermediate High Income Fund, Colonial Investment Grade Municipal Trust,
Colonial Municipal Income Trust, Colonial New York Insured Municipal Fund,
Columbia Common Stock Fund, Inc., Columbia Balanced Fund, Inc., Columbia Growth
Fund, Inc., Columbia Mid Cap Growth Fund, Inc., Columbia Small Cap Growth Fund,
Inc., Columbia Real Estate Equity Fund, Inc., Columbia International Stock Fund,
Inc., Columbia Fixed Income Securities Fund, Inc., Columbia Daily Income
Company, Columbia Strategic Investor Fund, Inc., Columbia Technology Fund, Inc.,
Columbia Oregon Municipal Bond Fund, Inc., Columbia National Municipal Bond
Fund, Inc., Columbia Short Term Bond Fund, Inc., Columbia High Yield Fund, Inc.,
Columbia Funds Trust I, Columbia Funds Trust II, Columbia Funds Trust III,
Columbia Funds Trust IV, Columbia Funds Trust V, Columbia Funds Trust VI,
Columbia Funds Trust VII, Columbia Funds Trust VIII, Columbia Funds Trust IX,
Columbia Funds Trust XI, Columbia Floating Rate Advantage Fund, Columbia
Floating Rate Fund, Columbia Floating Rate Limited Liability Company, Columbia
Institutional Floating Rate Income Fund, Liberty Variable Investment Trust and
SteinRoe Variable Investment Trust (collectively, the "Columbia Funds"), or any
mutual fund for which Columbia Funds Distributor, Inc. serves as principal
underwriter or distributor or Columbia Management Advisors, Inc., any of their
affiliates or any of their successors, serves as investment manager or
administrator.

This Power of Attorney authorizes the above individuals to sign my name and will
remain in full force and effect until specifically rescinded by me. I
specifically permit this Power of Attorney to be filed, as an exhibit to a
registration statement or amendment to a registration statement of any or all
Columbia Funds, with the Securities and Exchange Commission and I request that
this Power of Attorney then constitutes authority to sign additional amendments
and registration statements by virtue of its incorporation by reference into the
registration statements and amendments for such Funds.

In witness, I have signed this Power of Attorney on this 10th day of December,
2003.

                                              /s/ Anne-Lee Verville
                                              ANNE-LEE VERVILLE




                         POWER OF ATTORNEY FOR SIGNATURE

The undersigned constitutes Cameron S. Avery, J. Kevin Connaughton, Heidi A.
Hoefler, Russell L. Kane, John M. Loder, Brian D. McCabe, Vincent P.
Pietropaolo, David A. Rozenson, Mark A. Wentzien and Stacy H. Winick
individually, as my true and lawful attorney, with full power to each of them to
sign for me and in my name, any and all registration statements and any and all
amendments to the registration statements filed under the Securities Act of 1933
or the Investment Company Act of 1940 with the Securities and Exchange
Commission for the purpose of complying with such registration requirements in
my capacity as a trustee, manager or officer of CMG Fund Trust, Colonial
California Insured Municipal Trust, Colonial High Income Municipal Trust,
Colonial Insured Municipal Fund, Colonial InterMarket Income Trust I, Colonial
Intermediate High Income Fund, Colonial Investment Grade Municipal Trust,
Colonial Municipal Income Trust, Colonial New York Insured Municipal Fund,
Columbia Common Stock Fund, Inc., Columbia Balanced Fund, Inc., Columbia Growth
Fund, Inc., Columbia Mid Cap Growth Fund, Inc., Columbia Small Cap Growth Fund,
Inc., Columbia Real Estate Equity Fund, Inc., Columbia International Stock Fund,
Inc., Columbia Fixed Income Securities Fund, Inc., Columbia Daily Income
Company, Columbia Strategic Investor Fund, Inc., Columbia Technology Fund, Inc.,
Columbia Oregon Municipal Bond Fund, Inc., Columbia National Municipal Bond
Fund, Inc., Columbia Short Term Bond Fund, Inc., Columbia High Yield Fund, Inc.,
Columbia Funds Trust I, Columbia Funds Trust II, Columbia Funds Trust III,
Columbia Funds Trust IV, Columbia Funds Trust V, Columbia Funds Trust VI,
Columbia Funds Trust VII, Columbia Funds Trust VIII, Columbia Funds Trust IX,
Columbia Funds Trust XI, Columbia Floating Rate Advantage Fund, Columbia
Floating Rate Fund, Columbia Floating Rate Limited Liability Company, Columbia
Institutional Floating Rate Income Fund, Liberty Variable Investment Trust and
SteinRoe Variable Investment Trust (collectively, the "Columbia Funds"), or any
mutual fund for which Columbia Funds Distributor, Inc. serves as principal
underwriter or distributor or Columbia Management Advisors, Inc., any of their
affiliates or any of their successors, serves as investment manager or
administrator.

This Power of Attorney authorizes the above individuals to sign my name and will
remain in full force and effect until specifically rescinded by me. I
specifically permit this Power of Attorney to be filed, as an exhibit to a
registration statement or amendment to a registration statement of any or all
Columbia Funds, with the Securities and Exchange Commission and I request that
this Power of Attorney then constitutes authority to sign additional amendments
and registration statements by virtue of its incorporation by reference into the
registration statements and amendments for such Funds.

In witness, I have signed this Power of Attorney on this 10th day of December,
2003.

                                              /s/ Richard W. Lowry
                                              RICHARD W. LOWRY




                         POWER OF ATTORNEY FOR SIGNATURE

The undersigned constitutes Cameron S. Avery, J. Kevin Connaughton, Heidi A.
Hoefler, Russell L. Kane, John M. Loder, Brian D. McCabe, Vincent P.
Pietropaolo, David A. Rozenson, Mark A. Wentzien and Stacy H. Winick
individually, as my true and lawful attorney, with full power to each of them to
sign for me and in my name, any and all registration statements and any and all
amendments to the registration statements filed under the Securities Act of 1933
or the Investment Company Act of 1940 with the Securities and Exchange
Commission for the purpose of complying with such registration requirements in
my capacity as a trustee, manager or officer of CMG Fund Trust, Colonial
California Insured Municipal Trust, Colonial High Income Municipal Trust,
Colonial Insured Municipal Fund, Colonial InterMarket Income Trust I, Colonial
Intermediate High Income Fund, Colonial Investment Grade Municipal Trust,
Colonial Municipal Income Trust, Colonial New York Insured Municipal Fund,
Columbia Common Stock Fund, Inc., Columbia Balanced Fund, Inc., Columbia Growth
Fund, Inc., Columbia Mid Cap Growth Fund, Inc., Columbia Small Cap Growth Fund,
Inc., Columbia Real Estate Equity Fund, Inc., Columbia International Stock Fund,
Inc., Columbia Fixed Income Securities Fund, Inc., Columbia Daily Income
Company, Columbia Strategic Investor Fund, Inc., Columbia Technology Fund, Inc.,
Columbia Oregon Municipal Bond Fund, Inc., Columbia National Municipal Bond
Fund, Inc., Columbia Short Term Bond Fund, Inc., Columbia High Yield Fund, Inc.,
Columbia Funds Trust I, Columbia Funds Trust II, Columbia Funds Trust III,
Columbia Funds Trust IV, Columbia Funds Trust V, Columbia Funds Trust VI,
Columbia Funds Trust VII, Columbia Funds Trust VIII, Columbia Funds Trust IX,
Columbia Funds Trust XI, Columbia Floating Rate Advantage Fund, Columbia
Floating Rate Fund, Columbia Floating Rate Limited Liability Company, Columbia
Institutional Floating Rate Income Fund, Liberty Variable Investment Trust and
SteinRoe Variable Investment Trust (collectively, the "Columbia Funds"), or any
mutual fund for which Columbia Funds Distributor, Inc. serves as principal
underwriter or distributor or Columbia Management Advisors, Inc., any of their
affiliates or any of their successors, serves as investment manager or
administrator.

This Power of Attorney authorizes the above individuals to sign my name and will
remain in full force and effect until specifically rescinded by me. I
specifically permit this Power of Attorney to be filed, as an exhibit to a
registration statement or amendment to a registration statement of any or all
Columbia Funds, with the Securities and Exchange Commission and I request that
this Power of Attorney then constitutes authority to sign additional amendments
and registration statements by virtue of its incorporation by reference into the
registration statements and amendments for such Funds.

In witness, I have signed this Power of Attorney on this 10th day of December,
2003.

                                              /s/ William E. Mayer
                                              WILLIAM E. MAYER




                         POWER OF ATTORNEY FOR SIGNATURE

The undersigned constitutes Cameron S. Avery, J. Kevin Connaughton, Heidi A.
Hoefler, Russell L. Kane, John M. Loder, Brian D. McCabe, Vincent P.
Pietropaolo, David A. Rozenson, Mark A. Wentzien and Stacy H. Winick
individually, as my true and lawful attorney, with full power to each of them to
sign for me and in my name, any and all registration statements and any and all
amendments to the registration statements filed under the Securities Act of 1933
or the Investment Company Act of 1940 with the Securities and Exchange
Commission for the purpose of complying with such registration requirements in
my capacity as a trustee, manager or officer of CMG Fund Trust, Colonial
California Insured Municipal Trust, Colonial High Income Municipal Trust,
Colonial Insured Municipal Fund, Colonial InterMarket Income Trust I, Colonial
Intermediate High Income Fund, Colonial Investment Grade Municipal Trust,
Colonial Municipal Income Trust, Colonial New York Insured Municipal Fund,
Columbia Common Stock Fund, Inc., Columbia Balanced Fund, Inc., Columbia Growth
Fund, Inc., Columbia Mid Cap Growth Fund, Inc., Columbia Small Cap Growth Fund,
Inc., Columbia Real Estate Equity Fund, Inc., Columbia International Stock Fund,
Inc., Columbia Fixed Income Securities Fund, Inc., Columbia Daily Income
Company, Columbia Strategic Investor Fund, Inc., Columbia Technology Fund, Inc.,
Columbia Oregon Municipal Bond Fund, Inc., Columbia National Municipal Bond
Fund, Inc., Columbia Short Term Bond Fund, Inc., Columbia High Yield Fund, Inc.,
Columbia Funds Trust I, Columbia Funds Trust II, Columbia Funds Trust III,
Columbia Funds Trust IV, Columbia Funds Trust V, Columbia Funds Trust VI,
Columbia Funds Trust VII, Columbia Funds Trust VIII, Columbia Funds Trust IX,
Columbia Funds Trust XI, Columbia Floating Rate Advantage Fund, Columbia
Floating Rate Fund, Columbia Floating Rate Limited Liability Company, Columbia
Institutional Floating Rate Income Fund, Liberty Variable Investment Trust and
SteinRoe Variable Investment Trust (collectively, the "Columbia Funds"), or any
mutual fund for which Columbia Funds Distributor, Inc. serves as principal
underwriter or distributor or Columbia Management Advisors, Inc., any of their
affiliates or any of their successors, serves as investment manager or
administrator.

This Power of Attorney authorizes the above individuals to sign my name and will
remain in full force and effect until specifically rescinded by me. I
specifically permit this Power of Attorney to be filed, as an exhibit to a
registration statement or amendment to a registration statement of any or all
Columbia Funds, with the Securities and Exchange Commission and I request that
this Power of Attorney then constitutes authority to sign additional amendments
and registration statements by virtue of its incorporation by reference into the
registration statements and amendments for such Funds.

In witness, I have signed this Power of Attorney on this 10th day of December,
2003.

                                              /s/ John J. Neuhauser
                                              JOHN J. NEUHAUSER




                         POWER OF ATTORNEY FOR SIGNATURE

The undersigned constitutes Cameron S. Avery, J. Kevin Connaughton, Heidi A.
Hoefler, Russell L. Kane, John M. Loder, Brian D. McCabe, Vincent P.
Pietropaolo, David A. Rozenson, Mark A. Wentzien and Stacy H. Winick
individually, as my true and lawful attorney, with full power to each of them to
sign for me and in my name, any and all registration statements and any and all
amendments to the registration statements filed under the Securities Act of 1933
or the Investment Company Act of 1940 with the Securities and Exchange
Commission for the purpose of complying with such registration requirements in
my capacity as a trustee, manager or officer of CMG Fund Trust, Colonial
California Insured Municipal Trust, Colonial High Income Municipal Trust,
Colonial Insured Municipal Fund, Colonial InterMarket Income Trust I, Colonial
Intermediate High Income Fund, Colonial Investment Grade Municipal Trust,
Colonial Municipal Income Trust, Colonial New York Insured Municipal Fund,
Columbia Common Stock Fund, Inc., Columbia Balanced Fund, Inc., Columbia Growth
Fund, Inc., Columbia Mid Cap Growth Fund, Inc., Columbia Small Cap Growth Fund,
Inc., Columbia Real Estate Equity Fund, Inc., Columbia International Stock Fund,
Inc., Columbia Fixed Income Securities Fund, Inc., Columbia Daily Income
Company, Columbia Strategic Investor Fund, Inc., Columbia Technology Fund, Inc.,
Columbia Oregon Municipal Bond Fund, Inc., Columbia National Municipal Bond
Fund, Inc., Columbia Short Term Bond Fund, Inc., Columbia High Yield Fund, Inc.,
Columbia Funds Trust I, Columbia Funds Trust II, Columbia Funds Trust III,
Columbia Funds Trust IV, Columbia Funds Trust V, Columbia Funds Trust VI,
Columbia Funds Trust VII, Columbia Funds Trust VIII, Columbia Funds Trust IX,
Columbia Funds Trust XI, Columbia Floating Rate Advantage Fund, Columbia
Floating Rate Fund, Columbia Floating Rate Limited Liability Company, Columbia
Institutional Floating Rate Income Fund, Liberty Variable Investment Trust and
SteinRoe Variable Investment Trust (collectively, the "Columbia Funds"), or any
mutual fund for which Columbia Funds Distributor, Inc. serves as principal
underwriter or distributor or Columbia Management Advisors, Inc., any of their
affiliates or any of their successors, serves as investment manager or
administrator.

This Power of Attorney authorizes the above individuals to sign my name and will
remain in full force and effect until specifically rescinded by me. I
specifically permit this Power of Attorney to be filed, as an exhibit to a
registration statement or amendment to a registration statement of any or all
Columbia Funds, with the Securities and Exchange Commission and I request that
this Power of Attorney then constitutes authority to sign additional amendments
and registration statements by virtue of its incorporation by reference into the
registration statements and amendments for such Funds.

In witness, I have signed this Power of Attorney on this 10th day of December,
2003.

                                              /s/ Douglas A. Hacker
                                              DOUGLAS A. HACKER




                         POWER OF ATTORNEY FOR SIGNATURE

The undersigned constitutes Cameron S. Avery, J. Kevin Connaughton, Heidi A.
Hoefler, Russell L. Kane, John M. Loder, Brian D. McCabe, Vincent P.
Pietropaolo, David A. Rozenson, Mark A. Wentzien and Stacy H. Winick
individually, as my true and lawful attorney, with full power to each of them to
sign for me and in my name, any and all registration statements and any and all
amendments to the registration statements filed under the Securities Act of 1933
or the Investment Company Act of 1940 with the Securities and Exchange
Commission for the purpose of complying with such registration requirements in
my capacity as a trustee, manager or officer of CMG Fund Trust, Colonial
California Insured Municipal Trust, Colonial High Income Municipal Trust,
Colonial Insured Municipal Fund, Colonial InterMarket Income Trust I, Colonial
Intermediate High Income Fund, Colonial Investment Grade Municipal Trust,
Colonial Municipal Income Trust, Colonial New York Insured Municipal Fund,
Columbia Common Stock Fund, Inc., Columbia Balanced Fund, Inc., Columbia Growth
Fund, Inc., Columbia Mid Cap Growth Fund, Inc., Columbia Small Cap Growth Fund,
Inc., Columbia Real Estate Equity Fund, Inc., Columbia International Stock Fund,
Inc., Columbia Fixed Income Securities Fund, Inc., Columbia Daily Income
Company, Columbia Strategic Investor Fund, Inc., Columbia Technology Fund, Inc.,
Columbia Oregon Municipal Bond Fund, Inc., Columbia National Municipal Bond
Fund, Inc., Columbia Short Term Bond Fund, Inc., Columbia High Yield Fund, Inc.,
Columbia Funds Trust I, Columbia Funds Trust II, Columbia Funds Trust III,
Columbia Funds Trust IV, Columbia Funds Trust V, Columbia Funds Trust VI,
Columbia Funds Trust VII, Columbia Funds Trust VIII, Columbia Funds Trust IX,
Columbia Funds Trust XI, Columbia Floating Rate Advantage Fund, Columbia
Floating Rate Fund, Columbia Floating Rate Limited Liability Company, Columbia
Institutional Floating Rate Income Fund, Liberty Variable Investment Trust and
SteinRoe Variable Investment Trust (collectively, the "Columbia Funds"), or any
mutual fund for which Columbia Funds Distributor, Inc. serves as principal
underwriter or distributor or Columbia Management Advisors, Inc., any of their
affiliates or any of their successors, serves as investment manager or
administrator.

This Power of Attorney authorizes the above individuals to sign my name and will
remain in full force and effect until specifically rescinded by me. I
specifically permit this Power of Attorney to be filed, as an exhibit to a
registration statement or amendment to a registration statement of any or all
Columbia Funds, with the Securities and Exchange Commission and I request that
this Power of Attorney then constitutes authority to sign additional amendments
and registration statements by virtue of its incorporation by reference into the
registration statements and amendments for such Funds.

In witness, I have signed this Power of Attorney on this 10th day of December,
2003.

                                              /s/ Janet Langford Kelly
                                              JANET LANGFORD KELLY




                         POWER OF ATTORNEY FOR SIGNATURE

The undersigned constitutes Cameron S. Avery, J. Kevin Connaughton, Heidi A.
Hoefler, Russell L. Kane, John M. Loder, Brian D. McCabe, Vincent P.
Pietropaolo, David A. Rozenson, Mark A. Wentzien and Stacy H. Winick
individually, as my true and lawful attorney, with full power to each of them to
sign for me and in my name, any and all registration statements and any and all
amendments to the registration statements filed under the Securities Act of 1933
or the Investment Company Act of 1940 with the Securities and Exchange
Commission for the purpose of complying with such registration requirements in
my capacity as a trustee, manager or officer of CMG Fund Trust, Colonial
California Insured Municipal Trust, Colonial High Income Municipal Trust,
Colonial Insured Municipal Fund, Colonial InterMarket Income Trust I, Colonial
Intermediate High Income Fund, Colonial Investment Grade Municipal Trust,
Colonial Municipal Income Trust, Colonial New York Insured Municipal Fund,
Columbia Common Stock Fund, Inc., Columbia Balanced Fund, Inc., Columbia Growth
Fund, Inc., Columbia Mid Cap Growth Fund, Inc., Columbia Small Cap Growth Fund,
Inc., Columbia Real Estate Equity Fund, Inc., Columbia International Stock Fund,
Inc., Columbia Fixed Income Securities Fund, Inc., Columbia Daily Income
Company, Columbia Strategic Investor Fund, Inc., Columbia Technology Fund, Inc.,
Columbia Oregon Municipal Bond Fund, Inc., Columbia National Municipal Bond
Fund, Inc., Columbia Short Term Bond Fund, Inc., Columbia High Yield Fund, Inc.,
Columbia Funds Trust I, Columbia Funds Trust II, Columbia Funds Trust III,
Columbia Funds Trust IV, Columbia Funds Trust V, Columbia Funds Trust VI,
Columbia Funds Trust VII, Columbia Funds Trust VIII, Columbia Funds Trust IX,
Columbia Funds Trust XI, Columbia Floating Rate Advantage Fund, Columbia
Floating Rate Fund, Columbia Floating Rate Limited Liability Company, Columbia
Institutional Floating Rate Income Fund, Liberty Variable Investment Trust and
SteinRoe Variable Investment Trust (collectively, the "Columbia Funds"), or any
mutual fund for which Columbia Funds Distributor, Inc. serves as principal
underwriter or distributor or Columbia Management Advisors, Inc., any of their
affiliates or any of their successors, serves as investment manager or
administrator.

This Power of Attorney authorizes the above individuals to sign my name and will
remain in full force and effect until specifically rescinded by me. I
specifically permit this Power of Attorney to be filed, as an exhibit to a
registration statement or amendment to a registration statement of any or all
Columbia Funds, with the Securities and Exchange Commission and I request that
this Power of Attorney then constitutes authority to sign additional amendments
and registration statements by virtue of its incorporation by reference into the
registration statements and amendments for such Funds.

In witness, I have signed this Power of Attorney on this 10th day of December,
2003.

                                              /s/ Charles R. Nelson
                                              CHARLES R. NELSON




                         POWER OF ATTORNEY FOR SIGNATURE

The undersigned constitutes Cameron S. Avery, J. Kevin Connaughton, Heidi A.
Hoefler, Russell L. Kane, John M. Loder, Brian D. McCabe, Vincent P.
Pietropaolo, David A. Rozenson, Mark A. Wentzien and Stacy H. Winick
individually, as my true and lawful attorney, with full power to each of them to
sign for me and in my name, any and all registration statements and any and all
amendments to the registration statements filed under the Securities Act of 1933
or the Investment Company Act of 1940 with the Securities and Exchange
Commission for the purpose of complying with such registration requirements in
my capacity as a trustee, manager or officer of CMG Fund Trust, Colonial
California Insured Municipal Trust, Colonial High Income Municipal Trust,
Colonial Insured Municipal Fund, Colonial InterMarket Income Trust I, Colonial
Intermediate High Income Fund, Colonial Investment Grade Municipal Trust,
Colonial Municipal Income Trust, Colonial New York Insured Municipal Fund,
Columbia Common Stock Fund, Inc., Columbia Balanced Fund, Inc., Columbia Growth
Fund, Inc., Columbia Mid Cap Growth Fund, Inc., Columbia Small Cap Growth Fund,
Inc., Columbia Real Estate Equity Fund, Inc., Columbia International Stock Fund,
Inc., Columbia Fixed Income Securities Fund, Inc., Columbia Daily Income
Company, Columbia Strategic Investor Fund, Inc., Columbia Technology Fund, Inc.,
Columbia Oregon Municipal Bond Fund, Inc., Columbia National Municipal Bond
Fund, Inc., Columbia Short Term Bond Fund, Inc., Columbia High Yield Fund, Inc.,
Columbia Funds Trust I, Columbia Funds Trust II, Columbia Funds Trust III,
Columbia Funds Trust IV, Columbia Funds Trust V, Columbia Funds Trust VI,
Columbia Funds Trust VII, Columbia Funds Trust VIII, Columbia Funds Trust IX,
Columbia Funds Trust XI, Columbia Floating Rate Advantage Fund, Columbia
Floating Rate Fund, Columbia Floating Rate Limited Liability Company, Columbia
Institutional Floating Rate Income Fund, Liberty Variable Investment Trust and
SteinRoe Variable Investment Trust (collectively, the "Columbia Funds"), or any
mutual fund for which Columbia Funds Distributor, Inc. serves as principal
underwriter or distributor or Columbia Management Advisors, Inc., any of their
affiliates or any of their successors, serves as investment manager or
administrator.

This Power of Attorney authorizes the above individuals to sign my name and will
remain in full force and effect until specifically rescinded by me. I
specifically permit this Power of Attorney to be filed, as an exhibit to a
registration statement or amendment to a registration statement of any or all
Columbia Funds, with the Securities and Exchange Commission and I request that
this Power of Attorney then constitutes authority to sign additional amendments
and registration statements by virtue of its incorporation by reference into the
registration statements and amendments for such Funds.

In witness, I have signed this Power of Attorney on this 10th day of December,
2003.

                                              /s/ Thomas C. Theobald
                                              THOMAS C. THEOBALD




                         POWER OF ATTORNEY FOR SIGNATURE

The undersigned constitutes Cameron S. Avery, J. Kevin Connaughton, Heidi A.
Hoefler, Russell L. Kane, John M. Loder, Brian D. McCabe, Vincent P.
Pietropaolo, David A. Rozenson, Mark A. Wentzien and Stacy H. Winick
individually, as my true and lawful attorney, with full power to each of them to
sign for me and in my name, any and all registration statements and any and all
amendments to the registration statements filed under the Securities Act of 1933
or the Investment Company Act of 1940 with the Securities and Exchange
Commission for the purpose of complying with such registration requirements in
my capacity as a trustee, manager or officer of CMG Fund Trust, Colonial
California Insured Municipal Trust, Colonial High Income Municipal Trust,
Colonial Insured Municipal Fund, Colonial InterMarket Income Trust I, Colonial
Intermediate High Income Fund, Colonial Investment Grade Municipal Trust,
Colonial Municipal Income Trust, Colonial New York Insured Municipal Fund,
Columbia Common Stock Fund, Inc., Columbia Balanced Fund, Inc., Columbia Growth
Fund, Inc., Columbia Mid Cap Growth Fund, Inc., Columbia Small Cap Growth Fund,
Inc., Columbia Real Estate Equity Fund, Inc., Columbia International Stock Fund,
Inc., Columbia Fixed Income Securities Fund, Inc., Columbia Daily Income
Company, Columbia Strategic Investor Fund, Inc., Columbia Technology Fund, Inc.,
Columbia Oregon Municipal Bond Fund, Inc., Columbia National Municipal Bond
Fund, Inc., Columbia Short Term Bond Fund, Inc., Columbia High Yield Fund, Inc.,
Columbia Funds Trust I, Columbia Funds Trust II, Columbia Funds Trust III,
Columbia Funds Trust IV, Columbia Funds Trust V, Columbia Funds Trust VI,
Columbia Funds Trust VII, Columbia Funds Trust VIII, Columbia Funds Trust IX,
Columbia Funds Trust XI, Columbia Floating Rate Advantage Fund, Columbia
Floating Rate Fund, Columbia Floating Rate Limited Liability Company, Columbia
Institutional Floating Rate Income Fund, Liberty Variable Investment Trust and
SteinRoe Variable Investment Trust (collectively, the "Columbia Funds"), or any
mutual fund for which Columbia Funds Distributor, Inc. serves as principal
underwriter or distributor or Columbia Management Advisors, Inc., any of their
affiliates or any of their successors, serves as investment manager or
administrator.

This Power of Attorney authorizes the above individuals to sign my name and will
remain in full force and effect until specifically rescinded by me. I
specifically permit this Power of Attorney to be filed, as an exhibit to a
registration statement or amendment to a registration statement of any or all
Columbia Funds, with the Securities and Exchange Commission and I request that
this Power of Attorney then constitutes authority to sign additional amendments
and registration statements by virtue of its incorporation by reference into the
registration statements and amendments for such Funds.

In witness, I have signed this Power of Attorney on this 10th day of December,
2003.

                                              /s/ Patrick J. Simpson
                                              PATRICK J. SIMPSON




                         POWER OF ATTORNEY FOR SIGNATURE

The undersigned constitutes Cameron S. Avery, J. Kevin Connaughton, Heidi A.
Hoefler, Russell L. Kane, John M. Loder, Brian D. McCabe, Vincent P.
Pietropaolo, David A. Rozenson, Mark A. Wentzien and Stacy H. Winick
individually, as my true and lawful attorney, with full power to each of them to
sign for me and in my name, any and all registration statements and any and all
amendments to the registration statements filed under the Securities Act of 1933
or the Investment Company Act of 1940 with the Securities and Exchange
Commission for the purpose of complying with such registration requirements in
my capacity as a trustee, manager or officer of CMG Fund Trust, Colonial
California Insured Municipal Trust, Colonial High Income Municipal Trust,
Colonial Insured Municipal Fund, Colonial InterMarket Income Trust I, Colonial
Intermediate High Income Fund, Colonial Investment Grade Municipal Trust,
Colonial Municipal Income Trust, Colonial New York Insured Municipal Fund,
Columbia Common Stock Fund, Inc., Columbia Balanced Fund, Inc., Columbia Growth
Fund, Inc., Columbia Mid Cap Growth Fund, Inc., Columbia Small Cap Growth Fund,
Inc., Columbia Real Estate Equity Fund, Inc., Columbia International Stock Fund,
Inc., Columbia Fixed Income Securities Fund, Inc., Columbia Daily Income
Company, Columbia Strategic Investor Fund, Inc., Columbia Technology Fund, Inc.,
Columbia Oregon Municipal Bond Fund, Inc., Columbia National Municipal Bond
Fund, Inc., Columbia Short Term Bond Fund, Inc., Columbia High Yield Fund, Inc.,
Columbia Funds Trust I, Columbia Funds Trust II, Columbia Funds Trust III,
Columbia Funds Trust IV, Columbia Funds Trust V, Columbia Funds Trust VI,
Columbia Funds Trust VII, Columbia Funds Trust VIII, Columbia Funds Trust IX,
Columbia Funds Trust XI, Columbia Floating Rate Advantage Fund, Columbia
Floating Rate Fund, Columbia Floating Rate Limited Liability Company, Columbia
Institutional Floating Rate Income Fund, Liberty Variable Investment Trust and
SteinRoe Variable Investment Trust (collectively, the "Columbia Funds"), or any
mutual fund for which Columbia Funds Distributor, Inc. serves as principal
underwriter or distributor or Columbia Management Advisors, Inc., any of their
affiliates or any of their successors, serves as investment manager or
administrator.

This Power of Attorney authorizes the above individuals to sign my name and will
remain in full force and effect until specifically rescinded by me. I
specifically permit this Power of Attorney to be filed, as an exhibit to a
registration statement or amendment to a registration statement of any or all
Columbia Funds, with the Securities and Exchange Commission and I request that
this Power of Attorney then constitutes authority to sign additional amendments
and registration statements by virtue of its incorporation by reference into the
registration statements and amendments for such Funds.

In witness, I have signed this Power of Attorney on this 10th day of December,
2003.

                                              /s/ Richard L. Woolworth
                                              RICHARD L. WOOLWORTH