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;PO'V1IDERHORN <br />COAL COMPANY <br />April 8, 1994 <br />Ms. Erica A. Crosby <br />Environmental Protection Specialist <br />Colorado Division of Minerals and Geology <br />1313 Sherman Street, Room 215 <br />Denver, CO 80203-2273 <br />iii iiiiiiiiiiiiiiii <br />999 <br />P.O. Bo. 1430 <br />Palisade, Colorado 81526 <br />130314647951 <br />Fay (303) 484-7187 <br />4~CF~~~cn <br />N PR I 1 1994 <br />,, <br />RE: Borrow Area Technical Revision, TR17, File C-81-041 <br />Dear Ms. Crosby: <br />Enclosed please find new and revised pages and exhibits that <br />respond to your adequacy letter dated March 14, 1994. These <br />pages and exhibits are designed to supplement or replace pages <br />and exhibits submitted February 4, 1994. <br />The following are responses to your adequacy issues: <br />1. CBA 1 & 2 disturbance limits - Exhibits 9A and 52 have <br />been revised to show projected disturbance perimeter. <br />2. Soil quality limits discussion - We agree with the <br />discussion and will be complying with our plan. <br />Sampling at CBA-1 may not be done until excavation has <br />started but the material will not be placed until <br />analysis has been received. <br />3. Borrow area reclamation - Pages 178c and 187a have been <br />revised to address this issue. <br />4. Soil amendment discussion - Page 178d has been revised <br />to eliminate reference to the proposed use of calcium <br />sulfate. <br />5. Vegetation handling during topsoil removal - Pages 150a <br />and 178b have been revised to address having vegetation <br />in topsoil. <br />6. Permit area acreages - Page 22 has been revised to <br />include the new acreage. <br />7. Page 22 typo - Page 22 has been revised. <br />8. Temporary erosion control for access road 9 - Page 150a <br />has been revised to discuss drainage. <br />