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                                                                      EXHIBIT 24

                               POWERS OF ATTORNEY

   2

                              POWER OF ATTORNEY


         Know all men by these presents, that the undersigned constitutes and
appoints Stephen L. Way and John N. Molbeck, Jr., and each of them, his true and
lawful attorney-in-fact and agent, with full power of substitution and
re-substitution, for him and in his name, place and stead, in any and all
capacities, to sign this Annual Report on Form 10-K and any and all amendments
thereto, and to file same, with all exhibits thereto, and other documents in
connection therewith, with the Securities and Exchange Commission, granting unto
such attorneys-in-fact and agents, and each of them, full power and authority to
do and perform each and every act and thing requisite and necessary to be done
in and about the premises, as fully to all intents and purposes as he might or
could do in person, hereby ratifying and confirming all that such
attorneys-in-fact and agents or any of the, or their or his substitute or
substitutes, may lawfully do or cause to be done by virtue hereof.



                             /s/ MARVIN P. BUSH
                             -------------------------
                             Marvin P. Bush

                             Date: March 19, 2001


   3

                                POWER OF ATTORNEY

         Know all men by these presents, that the undersigned constitutes and
appoints Stephen L. Way and John N. Molbeck, Jr., and each of them, his true and
lawful attorney-in-fact and agent, with full power of substitution and
re-substitution, for him and in his name, place and stead, in any and all
capacities, to sign this Annual Report on Form 10-K and any and all amendments
thereto, and to file same, with all exhibits thereto, and other documents in
connection therewith, with the Securities and Exchange Commission, granting unto
such attorneys-in-fact and agents, and each of them, full power and authority to
do and perform each and every act and thing requisite and necessary to be done
in and about the premises, as fully to all intents and purposes as he might or
could do in person, hereby ratifying and confirming all that such
attorneys-in-fact and agents or any of the, or their or his substitute or
substitutes, may lawfully do or cause to be done by virtue hereof.



                             /s/ FRANK J. BRAMANTI
                             -------------------------
                             Frank J. Bramanti

                             Date:  March 16, 2001


   4

                              POWER OF ATTORNEY

         Know all men by these presents, that the undersigned constitutes and
appoints Stephen L. Way and. John N. Molbeck, Jr., and each of them, his true
and lawful attorney-in-fact and agent, with full power of substitution and
re-substitution, for him and in his name, place and stead, in any and all
capacities, to sign this Annual Report on Form 10-K and any and all amendments
thereto, and to file same, with all exhibits thereto, and other documents in
connection therewith, with the Securities and Exchange Commission, granting unto
such attorneys-in-fact and agents, and each of them, full power and authority to
do and perform each and every act and thing requisite and necessary to be done
in and about the premises, as fully to all intents and purposes as he might or
could do in person, hereby ratifying and confirming all that such
attorneys-in-fact and agents or any of the, or their or his substitute or
substitutes, may lawfully do or cause to be done by virtue hereof.



                             /s/ PATRICK B. COLLINS
                             -------------------------
                             Patrick B. Collins

                             Date:  March 20, 2001



   5

                              POWER OF ATTORNEY

         Know all men by these presents, that the undersigned constitutes and
appoints Stephen L. Way and John N. Molbeck, Jr., and each of them, his true and
lawful attorney-in-fact and agent, with full power of substitution and
re-substitution, for him and in his name, place and stead, in any and all
capacities, to sign this Annual Report on Form 10-K and any and all amendments
thereto, and to file same, with all exhibits thereto, and other documents in
connection therewith, with the Securities and Exchange Commission, granting unto
such attorneys-in-fact and agents, and each of them, full power and authority to
do and perform each and every act and thing requisite and necessary to be done
in and about the premises, as fully to all intents and purposes as he might or
could do in person, hereby ratifying and confirming all that such
attorneys-in-fact and agents or any of the, or their or his substitute or
substitutes, may lawfully do or cause to be done by virtue hereof.



                             /s/ JAMES R. CRANE
                             -------------------------
                             James R. Crane

                             Date:  March 19, 2001


   6

                              POWER OF ATTORNEY

         Know all men by these presents, that the undersigned constitutes and
appoints Stephen L. Way and John N. Molbeck, Jr., and each of them, his true and
lawful attorney-in-fact and agent, with full power of substitution and
re-substitution, for him and in his name, place and stead, in any and all
capacities, to sign this Annual Report on Form 10-K and any and all amendments
thereto, and to file same, with all exhibits thereto, and other documents in
connection therewith, with the Securities and Exchange Commission, granting unto
such attorneys-in-fact and agents, and each of them, full power and authority to
do and perform each and every act and thing requisite and necessary to be done
in and about the premises, as fully to all intents and purposes as he might or
could do in person, hereby ratifying and confirming all that such
attorneys-in-fact and agents or any of the, or their or his substitute or
substitutes, may lawfully do or cause to be done by virtue hereof.



                             /s/ J. ROBERT DICKERSON
                             -------------------------
                             J. Robert Dickerson

                             Date:  March 20, 2001


   7

                              POWER OF ATTORNEY


         Know all men by these presents, that the undersigned constitutes and
appoints Stephen L. Way and. John N. Molbeck, Jr., and each of them, his true
and lawful attorney-in-fact and agent, with full power of substitution and
re-substitution, for him and in his name, place and stead, in any and all
capacities, to sign this Annual Report on Form 10-K and any and all amendments
thereto, and to file same, with all exhibits thereto, and other documents in
connection therewith, with the Securities and Exchange Commission, granting unto
such attorneys-in-fact and agents, and each of them, full power and authority to
do and perform each and every act and thing requisite and necessary to be done
in and about the premises, as fully to all intents and purposes as he might or
could do in person, hereby ratifying and confirming all that such
attorneys-in-fact and agents or any of the, or their or his substitute or
substitutes, may lawfully do or cause to be done by virtue hereof.



                             /s/ EDWIN H. FRANK, III
                             -------------------------
                             Edwin H. Frank, III

                             Date:  March 16, 2001



   8

                              POWER OF ATTORNEY


         Know all men by these presents, that the undersigned constitutes and
appoints Stephen L. Way and John N. Molbeck, Jr., and each of them, his true and
lawful attorney-in-fact and agent, with full power of substitution and
re-substitution, for him and in his name, place and stead, in any and all
capacities, to sign this Annual Report on Form 10-K and any and all amendments
thereto, and to file same, with all exhibits thereto, and other documents in
connection therewith, with the Securities and Exchange Commission, granting unto
such attorneys-in-fact and agents, and each of them, full power and authority to
do and perform each and every act and thing requisite and necessary to be done
in and about the premises, as fully to all intents and purposes as he might or
could do in person, hereby ratifying and confirming all that such
attorneys-in-fact and agents or any of the, or their or his substitute or
substitutes, may lawfully do or cause to be done by virtue hereof.



                             /s/ ALLAN W. FULKERSON
                             -------------------------
                             Allan W. Fulkerson

                             Date:  March 27, 2001


   9

                                POWER OF ATTORNEY


         Know all men by these presents, that the undersigned constitutes and
appoints Stephen L. Way and John N. Molbeck, Jr., and each of them, his true and
lawful attorney-in-fact and agent, with full power of substitution and
re-substitution, for him and in his name, place and stead, in any and all
capacities, to sign this Annual Report on Form 10-K and any and all amendments
thereto, and to file same, with all exhibits thereto, and other documents in
connection therewith, with the Securities and Exchange Commission, granting unto
such attorneys-in-fact and agents, and each of them, full power and authority to
do and perform each and every act and thing requisite and necessary to be done
in and about the premises, as fully to all intents and purposes as he might or
could do in person, hereby ratifying and confirming all that such
attorneys-in-fact and agents or any of the, or their or his substitute or
substitutes, may lawfully do or cause to be done by virtue hereof.



                             /s/ WALTER J. LACK
                             -------------------------
                             Walter J. Lack

                             Date:  March 21, 2001


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                                POWER OF ATTORNEY


         Know all men by these presents, that the undersigned constitutes and
appoints Stephen L. Way and John N. Molbeck, Jr., and each of them, his true and
lawful attorney-in-fact and agent, with full power of substitution and
re-substitution, for him and in his name, place and stead, in any and all
capacities, to sign this Annual Report on Form 10-K and any and all amendments
thereto, and to file same, with all exhibits thereto, and other documents in
connection therewith, with the Securities and Exchange Commission, granting unto
such attorneys-in-fact and agents, and each of them, full power and authority to
do and perform each and every act and thing requisite and necessary to be done
in and about the premises, as fully to all intents and purposes as he might or
could do in person, hereby ratifying and confirming all that such
attorneys-in-fact and agents or any of the, or their or his substitute or
substitutes, may lawfully do or cause to be done by virtue hereof.



                             /s/ STEPHEN J. LOCKWOOD
                             -------------------------
                             Stephen J. Lockwood

                             Date:  March 16, 2001