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Colowyo Coal Company, L.P. <br />' 5731 State Highway 13 <br />Meeker, Colorado 81641 <br />(970) 8241572 <br />(970) 8241598 FAX <br />James A. Riger <br />Senior Environmental Engineer <br />March 9, 2001 <br />Mr. Byron Walker <br />Environmental Protection Specialist <br />Colorado Division of Minerals and Geology <br />215 Centennial Building <br />1313 Sherman Street <br />Denver. CO 80203 <br />//~ Kennecott <br />~ .Energy ., , , <br />Colowyo Coal Company L.P. ~ `~ ~~ ;~ <br />RE1rEIVED <br />MAR 1 2 2001 <br />Division of Minerals and Geology <br />RE: 2000 ANNUAL RECLAMATION REPORT and ANNUAL HYDROLOGY <br />REPORT. <br />CDMG PERMIT C-81-019 <br />COLOWYO COAL COMPANY L.P. <br />Dear Mr. Walker: <br />Enclosed for the Division's review is the Colowyo Coal Company L. P., 2000 Annual <br />~, Reclamation Report and Annual Hydrology Report. This report is submitted to <br />comply with all the environmental monitoring requirements at the Colowyo mine as <br />specified in Mining Permit C-81-019. <br />The 2000 report continues to follow the same format as previous reports submitted <br />to and approved by the Division. <br />Backfilling, Grading and Topsoil Replacement <br />During 2000 approximately 79.0 acres were backfilled, graded, topsoiled and <br />seeded. 107.9 acres of additional disturbance occurred during annual topsoil <br />removal operations necessary for pit advances. (Note that this total disturbance <br />acreage includes areas with a topsoil stripping variance). The distribution of the <br />acreages between pits during 2000 is as follows. See Exhibit 9 - 2000 Annual <br />Report for locations of these areas. <br />~' <br />Pit Area Disturbance (acres) Reseeded (acres) <br /> <br />West Pit 72.5 10.7 <br />East Pit 12.6 68.3 <br />Section 16 22.8 0 <br />Total 107.9 79.0 <br />