BYLAWS



                                      OF



                           MINING TECHNOLOGIES, INC.



     I certify that the following Bylaws, consisting of three pages, each of
which I have initialed for identification, are the Bylaws adopted by the Board
of Directors of Mining Technologies, Inc. (the "Corporation") by a Written
Action by Director in Lieu of Organizational Meeting, dated December 18, 1997.




                                   /s/ JOHN LYNCH
                                   ___________________________________________
                                   John Lynch, Secretary

 
                                    BYLAWS

                                      OF

                           MINING TECHNOLOGIES, INC.


                         1.  Meetings of Shareholders
                             ------------------------

     1.1  Except as the Board of Directors may otherwise designate, the annual
meeting of the shareholders of the Corporation shall be held at 10:00 a.m. on
March 15 in each year if not a Saturday, Sunday or legal holiday, and if a
Saturday, Sunday or legal holiday, then on the next day not a Saturday, Sunday
or legal holiday.

     1.2  The annual meeting of the shareholders shall be held at a place
designated by the Board of Directors or, if the Board of Directors does not
designate a place, then at a place designated by the Secretary or, if the
Secretary does not designate a place, at the Corporation's principal office.

     1.3  Special meetings of the shareholders shall be held at a place
designated by the Board of Directors if the special meeting is called by the
Board of Directors.  If the special meeting is not called by the Board of
Directors, the meeting shall be held at the Corporation's principal office.

                            2.  Board of Directors
                                ------------------

     2.1  The exact number of directors may be fixed, increased or decreased
from time to time by a resolution adopted by the majority vote of a quorum of
shareholders who are present in person or by proxy at a meeting held to elect
directors.

     2.2  Meetings of the Board of Directors may be called by the President or
by any director.

     2.3  Unless waived as permitted by the Kentucky Business Corporation Act,
notice of the time and place of each meeting of the directors shall be either
(a) telephoned or personally delivered to each director at least forty-eight
hours before the time of the meeting, or (b) mailed to each director at his last
known address at least ninety-six hours before the time of the meeting.

                                 3.  Officers
                                     --------

     3.1  The Corporation shall have a President, a Secretary and a Treasurer,
and may have one or more Vice Presidents, all of whom shall be appointed by the
Board of Directors. The Corporation may also have such assistant officers as the
Board of Directors may deem necessary, all of whom shall be appointed by the
Board of Directors or appointed by an officer or officers authorized by it.

 
     3.2  The President shall have:

          (a) General charge and authority over the business of the Corporation,
subject to the direction of the Board of Directors;

          (b) Authority to preside at all meetings of the shareholders;

          (c) Authority acting alone, except as otherwise directed by the Board
of Directors, to sign and deliver any document on behalf of the Corporation,
including, without limitation, any deed conveying title to any real estate owned
by the Corporation and any contract for the sale or other disposition of any
such real estate, and;

          (d) Such other powers and duties as the Board of Directors may assign.

     3.3  The Vice President, or if there be more than one Vice President, the
Vice Presidents in the order of their seniority by designation (or, if not
designated, in the order of their seniority of election), shall perform the
duties of the President in his absence.  The Vice Presidents shall have such
other powers and duties as the Board of Directors or the President may assign to
them.

     3.4  The Secretary shall:

          (a) Issue notices of all meetings for which notice is required to be
given;

          (b) Have responsibility for preparing minutes of the directors' and
shareholders' meetings and for authenticating records of the Corporation;

          (c) Have charge of the corporate record books; and

          (d) Have such other duties and powers as the Board of Directors or the
President may assign.

     3.5  The Treasurer shall:

          (a) Keep adequate and correct accounts of the Corporation's affairs
and transactions, and

          (b) Have such other duties and powers as the Board of Directors or the
President may assign.

     3.6  Other officers and agents of the Corporation shall have such authority
and perform such duties in the management of the Corporation as the Board of
Directors or the President may assign.

                                       2

 
                         4.  Certificates and Transfer
                             -------------------------

     4.1  Shares of the Corporation shall be represented by certificates in such
form as shall from time to time be prescribed by the President.

     4.2  Certificates representing shares of the Corporation shall be signed
(either manually or in facsimile) by the President and by the Secretary or
Treasurer.

     4.3  Transfer of shares shall be made only on the stock transfer books of
the Corporation.



                                  Prepared by
                          BROWN, TODD & HEYBURN PLLC
                        2700 Lexington Financial Center
                          Lexington, Kentucky  40507

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