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~, III IIIIIIIIIIIII III ~ STATE OF COLORADO DIVISION OF MINERALS AND GEOLOGY Department of Natural Resources U~ i'111 ON Oi 1313 Sherman St., Room 215 MINERAL 5 Denver, Colorado 80203 Cy (7l ~... -'l _1 Phone: (30 31 866-3 56 7 -~- G E O L O G Y ~~ n FAX: f303)83b8106 MIN ING $AFETY Buck Barnhart B~II Owens Barnhart Agency Inc governor 2l2 West 13th Street ereg E. Walther Pueblo CO 81003 ERecWwe Director Afchaei 8. Lang Re: Technical Review, Tallahassee Pit Permit Application, File No. M-99- 003 Director Dear Mr. Barnhatt: The Division completed a technical review of the referenced permit application. In order [o comply with the minimum requirements of the Act and/or [he Rules and Regulations the following issues must addressed: 1) Paragraph I0, page 2 of the application form stipulates that the proposed post-mining land use will be residential. However, the applicant proposes to revegetate the disturbed lands so, therefore, the release of reclamation responsibility criteria will be based on the success or failure of revegetation efforts. Rangeland conditions would be expected since the surrounding undisturbed lands are primarily rangeland. If this is an accurate statement please so indicate in your response. 2) Exhibit A -the permit area does no[ include any acreage in U. S. Goverrunent Lot 5 so please remove this statement from the legal description and submit a revised Exhibit A. 3) Exhibit $ -just a reminder that the permit will have to be amended (via a technical revision) if the SWMP includes retention or diversion structures. 4) Exhibit C - (b) -plant growth medium stockpiles must be located separate from other stockpiles, out of the way of mine traffic and out of stream channels or drainageways. You slate that topsoil will be stockpiled on the pit perimeters. However, you do not show the location(s) of the stockpile(s) on Exhibit E map, as required. Please revise the map to show the location(s) of the topsoil stockpile(s). Exhibit C - (c) -the location of any overburden stockpiles or waste rock fills must be shown on Exhibit E map, in addition, the topsoil and overburden stockpiles need to be adequately marked. Exhibit C- (d) -will the solid gneiss or granite outcrops have to be blasted? Exhibit C - (f)(2) -will the highwalls be mined at the proposed 1 1/2: I gradient or will the highwalls be graded to a final 1 1/2: i gradient at the conclusion of mining activities? Exhibit C - (g) - is there a need to significantly improve the existing access road in order to ingress and egress the permit area? [f so, the road must be included in the permit area. 5) Exhibit D - b -provide sufficient data to justify highwall slopes sleeper than 3: I. Pursuant to Rule