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Man- Mine - 2005 Annual Hydrology Report February 2006 <br />1.0 OPERATIONAL CONDITIONS <br />Active mining and coal production operations at the Marr Mine ceased in January 1993. During <br />the active Iffe of the mine, mining operations occurred in three areas; the Marr Pit, 720 Pit, and Pit <br />1. Mining was completed and most of the associated disturbance in the Marr Pit area was <br />recaimed during the period from 1979 through 1983. The 720 Pit and Pit 1 areas were backfilled <br />and reclaimed during the period from 1993 through 1996. Reclamation of those mine surtace <br />facilities that will not be retained as permanent facilities to support the post-mining land use and <br />the associated coal Loadout facility was completed in 1999. A spoil monitoring well was installed <br />at the north end of the 720 Pit area in 2001 (SP-01). The only ongoing activities for the site are <br />site maintenance, environmental monitoring, and reclamation pennit compliance activities. EFCI, <br />in cooperation with the DMG, USDI-BLM, and OSMRE, completed a program during 2002 to <br />identify, plug, seal, and reclaim a number of old exploration boreholes and shallow alluvial <br />monitoring wells in the Kerr North Area, north of the County Road. <br />File: 637i/Z005/2005 hydrology apt Page 1 <br />