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PEABODY <br />,VIIESTERN, <br />III IIIIIIIIIIIII III <br />Peabody Western Coal Company <br />June 25, 1993 <br />DECEIVED <br />Ms. Susan Morrison <br />Division of Minerals and Geology JUN 30 1993 <br />1313 Sherman Street, Room 215 <br />Denver, CO 80203-2273 Divi<icnoirvnr~erzis6{;~~,c9Y <br />RE: 1993 Rill aad Gully Monitoring - 8eaeoa II-W Mine <br />Dear Ms. Morrison: <br />Pursuant to Tab 22 of Permit C-82-057, enclosed are two copies <br />of the 1993 Rill and Gully Report. <br />During April through June 1993, Peabody personnel inspected <br />reclaimed areas for the occurrence of new rills and gullies and <br />monitored areas identified in previous rill and gully survey <br />reports. The rill and gully areas from the 1993 survey are <br />shown on the attached 1993 Rill and Gully Monitoring Map. <br />None of the rill and gully areas appear severe enough to <br />prohibit successful revegetation of the surrounding area, <br />disrupt the achievement of the postmining land use, or cause a <br />degradation of water quality standards for a receiving stream. <br />The following identifies action to be taken in the three areas <br />identified on the attached monitoring map. <br />Area Description/Mitigative Measure <br />1 The natural drainage spills over a cut <br />slope on HRD G. The cut slope will be <br />channelized and reseeded. <br />2 A rill was identified in a portion of this <br />area during May 1992. That rill was graded <br />and reseeded. The spoil is now gullied <br />extensively. The spoil will be graded and <br />shaped, forming an improved channel. The <br />channel will be armored with riprap. <br />3 Outflow from Culvert AS has downcut in <br />existing riprap. The channel was redefined <br />and additional riprap was placed. <br />Mitigative measures for Area 3 were implemented during May 1993. <br />Mitigative measures for Areas 1 and 2 will be implemented as <br />soon as ground conditions permit, and completed by November 1, <br />1993. Peabody will notify the Division prior to implementing <br />the mitigative work and after the work is complete. The <br />repaired areas will be monitored for the effectiveness of the <br />remedial activities conducted at each area. <br />Peabody Western Coal Compony • 1300 Sarah bale Server • Flagstaff, Mi:ona 86001 • TsMphene (607) 774-373J • faa (007) 77.43% <br />