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BRENT C. ANDERSON iii iiiiiiiiiiiu iii PAI~GEL, MAUxO, HULTIN & SPAA.rrSTE~A, P.G. ATTORNEYS AT LAW SUITE ]p00 IpO~ CALIFORNIA STREET DENVER. COLORADO 00202 TELEPHONE 1]O]1 292-pa00 TELECOP~ER 1]O]I 29p~]OAO '~. Dc~ S ::,~ December 4, 1990 Ms. Cathy Begej Colorado Mined Land Reclamation Division 1313 Sherman Street, Room 215 Denver, Colorado 80202 ,~__~: Re: The Rockcastle Company -- Grassy Gap Mine -- Permit No. C-81-039 Dear Cathy: On November 2, 1990, representatives of The Rockcastle Company ("Rockcastle") met with the Colorado Mined Land Reclamation Division ("CMLRD") to discuss a variety of outstanding reclamation issues at the Grassy Gap Mine site. One issue discussed at this meeting regarded the current status of certain potentially unstable slope areas identified at the Grassy Gap Mine site by ACZ, Inc. ("ACZ") in a report dated October 23, 1985 (the "ACZ Report"). The ACZ Report identified, and recommended stabilization measures for, eleven unstable slope segments.l The recommenced stabilization measures varied from minor regrading to installation of toe buttresses. During the summer of 1990, Rockcastle reevaluated the stability of the potentially unstable slope adjacent to the Pit 4 haul road2 pursuant to $ N.2 of the June 26, 1990 agreement between CMLRD and Rockcastle (the "CMLRD Agreement"). Based upon the results of this reevaluation, Rockcastle proposed to install a toe drain and small cover buttress to assure the stability of Segment No. 3. CMLRD approved the reclamation measures proposed for Segment No. 3 on November 2, 1990. Rockcastle completed these reclamation measures on November 20 and 21, 1990. 1 The eleven potentially unstable slope segments are identified as Segment Nos. 1, 2, 3, 4, 5, 6, 8, 9, 10, 11 and 12 in the ACZ Report. 2 This potentially unstable slope is identified as Segment No. 3 in the ACZ Report.