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<br />Ms. Ericn Crosby <br />September 7, 1999 <br />Page 2 <br /> <br />approximately 6" to 12". Please note that not all topsoil stockpile locations shown on the <br />map will be used at the same time. Also, topsoil stockpiles that may be placed at the <br />front edge of the backfilled azea are not shown as they would be constantly moving <br />towazd the west and the map would be covered with temporary topsoil stockpile <br />locations. <br />Topsoil in Phases II and III is approximately 6" to 9" in depth. All topsoil from these <br />phases will be stockpiled around the perimeter of the mining limits and at the front edge <br />of the backfilled area (which will be cartinually moving toward the west). Topsoil <br />stockpiles which remain in place longer than one yeaz will be seeded with a fast growing <br />cover crop to protect from wind and water erosion. Topsoil stripped from Phase II and III <br />will be replaced to the same depth that it was removed, approximately 6" to 9". Please <br />note that not all topsoil stockpile locations shown on the map will be used at the same <br />time. Also, topsoil stockpiles that may be placed at the front edge of the backfilled azea <br />are not shown as they would be constantly moving towazd the west and the map would be <br />covered with temporary topsoil stockpile locations. <br />Topsoil and overburden stockpile locations are shown on the map. Please note that not <br />all locations may be used, or used at the same time. Stockpile locations will move along <br />with the mining to make reclamation work easier. <br />Seeding of the pasture grasses and [he grass hay areas will occur between May ]and <br />November 1, following the final grading of [he site and as long as the ground is not <br />frozen. <br />4. Rule 6.4.6 The scale of the map should have been noted as 1 "=300'. This has been <br />revised on the map. <br />Rule 6.4.7 A paste pH analysis of the limestone material was conducted. The results <br />were faxed to the Division offices on August 19, 1999. Another copy is provided here. <br />The pH of the material, 7.8, indicates this is a neutral substance and should pose no <br />concerns for groundwater quality. <br />The Boyd Lake Outlet Ditch is an overflow ditch for excess water in the reservoir, and <br />stormwa[ers above the Kauffman's property, to return to the river. There are no water <br />rights associated with the ditch portion that runs through the Kauffman's property and <br />empties into the Big Thompson River immediately on the south side of the adjacent <br />Kauffman permit, M-78-327. There are no diversions from this ditch, it is for return <br />waters only. <br />