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~, • (Page 2) i MINE ID # OR PROSPECTING ID # M-83-060 INSPECTION DATE_NOVember 25, 1997 INSPECTOR'S INITIALS TAS OBSERVATIONS 1. A site inspection was made of the Thornburg Pit located 1.5 miles northeast of Bennett. Present during the inspection was Mr. Don Opheim of Centennial Materials, Inc. 2. The Thornburg Pit is currently active. The extent of disturbance is unknown, although all disturbance was determined to be within the 106.7 acre permit boundary. The site entrance sign and affected land boundary markers were not present, as required by Rule 3.1.12. Mr. Opheim was instructed to mark the "affected land boundary" and to post an entrance sign. Following completion of these requirements the Division will re-inspect the site to determine the extent of current disturbance in relation to the affected land boundary. The Division considers the absence of an entrance sign and affected land boundary markers to be a problem. Please see page 3 for corrective actions. 3. The operator has posted a financial warranty of $10,700 in the. form of a credit rating test and certification of net worth. It appears that this amount of financial warranty corresponds with 21.4 acres of affected land. The operator has specified in the reclamation plan for the Thornburg Pit that mining disturbance will be reclaimed to cropland, with approximately 65.6 acres seeded with alfalfa and 21.0 acres seeded with native rangeland grasses. 4. The operator has been diligent in salvaging available topsoil for reclamation use. There is a large topsoil stockpile north of the active pit. I & E Contact Address ^ CE NAME Donald L. Opheim ^ BL OPERATOR Centennial Materials. Inc. ^ FS STREET 1101 Topeka Wav ^ HW CITY/STATE/ZIP Castle Rock. CO 80104 ^ HMWNID (CH) ^ SE cc: Carl Mount, DMG ^ WQCD (CH) ^ OTHER c~~Tle=!cD ~(~I~ ~~~o. P 5a~ ~~~ ~qs RETURN RECEIPT REQUESTED