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.. ~ iii iiiiiiiiuiiiiii ,,,~..„ TRAPPER MINING INC. February 11, 1998 Mr. Joseph J. Dudash RECEIVED Environmental Protection Specialist Colorado Division of Minerals & Geology FEB 13 1998 1313 Sherman Street, Room 215 Denver, CO 80203 Division of Minerals 8 Geology Re: Trapper Mining Inc., Permit No. C-81-010 1996 Annual Hydrology Report 2°" Response, Technical Revision TR-76 Dear Mr. Dudash: This letter responds to the sewnd round of TR-76 comments outlined in your letter dated December 9, 1997. Enclosed please find several annual report pages (Section 5.0 page; page 3 of Table 5-1) and permit document pages (4-237 to 4-237e) that are revised with this response to Division comments. Trapper offers the following responses to Division comments: Response to Comments 1 through 15, 17 through 22, 25, 26, and 28 through 34 No Trapper response is necessary. Response to Comment 16 A paragraph was added, beginning at the bottom of page 4-237 and continuing onto page 4-237a, that includes a discussion of the potential impact of Trapper Mine surface runoff to the Yampa River. While the only actual change with this response was the added paragraph on enclosed pages 4-237 and 4-237a, enclosed pages 4-2376 through 4-237e were impacted by the domino effect of the added paragraph and were thus revised. Response to Comment 23 Beginning with the 1997 annual report submittal, an identification number will be added to each shrub clump and a shrub clump symbol will be added to the map legend (Annual Reclamation Report Map). Response to Comment 24 The heavy dashed lines represent the currently existing wntour ditches. The lightly dashed lines show locations of former contour ditches that have been reclaimed. Because some of the reclaimed contour ditch locations still show up on aerial photographs, the aerial photogrammetry company that Trapper wntracted to produce topography maps illustrated the reclaimed ditches. P.0. Box 187 Craig, Colorado 81626 (303) 824-4401