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Diversion Ditch Reclamation <br />During 1990, Trapper removed approximately 4.3 acres of diversion ditches in <br />previously reclaimed Ashmore, Derringer and Colt pits. Ditches were removed <br />from our erosion control system since vegetation success and the remaining diver- <br />sion system is adequately handling runoff events. After ditches are closed, they <br />are seeded to the appropriate range site mix based on elevation. The areas <br />reclaimed are documented on our annual fall aerial photos. <br />Livestock Tanks <br />Trapper built eight livestock tanks in 1990. See Section 6 and Maps 6.1. Stock <br />tanks were seeded using the approved dam and/or spillway seed mixes on <br />approximately 4.8 acres. <br />Developmental Drill Sites <br />During 1990, Trapper broadcast seeded approximately 53 acres of developmental <br />drill sites using the approved seed mix. The speci5cs and locations are presented <br />in F. Beckett's 1990 Developmental Drilling summary submitted for your approval <br />on December 18, 1990. <br />• <br />Topsoil Piles <br />See Section 5 and maps 5.1. Topsoil stockpiles were smoothed and seeded to the <br />approved 1990 perennial topsoil pile mix. Approximately 20.16 acres were <br />treated. <br />Sediment Dams <br />Trapper inter-seeded one dam in the No-Name Gulch drainage as previous seed- <br />ing response was fair-poor. The area was broadcast seeded with the approved <br />dam seed mix. <br />Historical State Agricultural Holdings <br />As mining operations progress across our coal leases, Trapper affects former state <br />agricultural leases. Since 1976, Trapper has permitted the agricultural lessee to <br />continue farming practices but with the stipulation that Trapper withdraw acres <br />from crop production when mining advance dictates. Areas outside mining pre- <br />. strip operations are either left in historical crop rest-rotation (small grain) or con- <br />verted to perennial haycrop if these areas have the potential to contribute signifi- <br />cant amounts of sediment into existing sediment control ponds. As previous <br />