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Section i -Historv of Site Kerr Coal Company opened the Marr Strip Mine in 1974. The mine is located ten mites east of Walden, Colorado in Jackson County. The mine lies west and southwest of the Canadian River on the east side of North Park, with'a permit area covering approximately 1600 acres. The Kerr loadout facility is adjacent to the Union Pacific Railroad south of Walden. Kerr Coal Company submitted Permit application C-80-006 to the Colorado Mined Land Reclamation Division for mining at the Marr Strip Mine on July 30, 1980. The permit was issued on March 20, 1981 with twelve stipulations. The permit has been renewed every five years since then with the most recent renewal having been issued on May 15, 1996. In total, twenty-one stipulations have been attached to permitting decisions. All stipulations have been terminated. This is the fifth mid-term review of Permit C-80-006. The Marc Strip Mine produced coal from the Sudduth seam with attack-and-shovel operation. Coal was extracted from two pits, the 720 Pit and Pit L. Coal extraction from the 720 Pit ceased in 1983 and from Pit 1 in 1993. Total disturbed lands at the Marc Strip Mine were 387 acres according to the 1997 reclamation report. Disturbance is categorized as follows: Surface facilities and roads 19.5 Sediment control system 19.1 Topsoil stockpiles 5.8 Reclaimed lands 387.2 Active mining operations and related activities were suspended and final reclamation activities were initiated at the end of January 1993. Final backfilling, regrading, topsoiling, and mulch crop seeding of the major remaining disturbance aeeas including the Pit 1 area and road and pond areas were completed during 1995. Final reclamation seeding of these aeeas, minor supplemental drainage protection work, and revegetation success evaluations were completed during 1996. Site activities during 1997 were limited to required site inspection and maintenance including routine cleaning of ditches and culverts and spraying for noxious weed control. During the active operations coal was trucked to the Kerr tipple, south of Walden, where it was stockpiled, crushed, screened, and loaded out. The facility was constructed on fill in the wetlands of the Illinois River and encompasses nine acres. The rail lines were pulled out by the railroad company in June 1996. Most of the coal stockpiled at the loadout was removed in September 1996. Kerr has estimated that approximately 3,000 cubic yazds of coal and coal fines remain. In 1998, Kerr Coal Company dismantled some of the buildings at the loadout. Since the permit renewal of May I5, 1996, one Notice of Violation was issued. NOV C-96-021 was written for "Failure to provide access to current mine records" on December 17, 1996. To abate the NOV, Kerr Coal Company provided DMG a key to allow access to the mine gate and Marc Strip Mine, C-80-006 3 September 16, 1998 Midterm Review Fourth Permit'I'etm