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• 7990 ANNUAL RECLAMATION REPORT <br />Existing Disturbance <br />A temporary cessation plan for Nucla Mine was submitted to the Division on December 14, <br />1989 and approved on April 5, 1990. No additional disturbance occurred during this report <br />period. <br />Backfilling and Grading <br />No backfilling or final grading activities were completed during this report period. <br />Soil and Sooil Monitoring Data <br />Peabody Coal Company is required by Permit C-81-008 to monitor replaced soil and final <br />graded spoil at Nucla Mine and submit the information to the Division by April 75 of each <br />year. Monitoring programs include verifying soil replacement depths, determining final <br />graded spoil quality, determining soil fertility, and completing an annual soil balance. <br />Peabody is submitting this information with the Annual Reclamation Report as recommended <br />by Section 2.04.13(2) of Colorado's Regulations for Coal Mining. The following soil and <br />• spoil quality information is presented for the 1990 field season. <br />Sooil quality. Peabody did not complete any final grading or sampling of spoil during <br />1990. Final grading and spoil sampling of the Pit 2 reclamation area was completed during <br />1989. <br />Extremely acid spoil was identified at tuo sample sites in the Pit 2 reclamation area as <br />described in the Annual Topsoil Balance and Spoil quality Report for the 1989 field season <br />(DCC, 1990). The etid spoil area is shown on the enclosed Exhibit 1. <br />Acid spoil must be covered or neutralized prior to redistributing soil as described in Tab <br />21, page 21-5 of the permit. Numerous lime producing companies (a cement plant, quarry, <br />sugar beet factory, and pouerplant) were contacted to locate an economical and effective <br />neutralizing produce. A oast a-lime product consisting of processed sugar beet pulp and <br />pulverized limestone, was located at the former sugar bee[ factory in Delta. According to <br />Jim Herron, Colorado Mined Land Reclamation Division, this product has a calcium carbonate <br />content of about 80 to 90 percent (pers.comm „ 12-7-89). <br />• <br />1 <br />