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Topsoil overburden should be removed and stockpiled in a <br />non-erosive configuration to be used during final <br />reclamation. If topsoil stockpiles are to remain for more <br />than 2 years they should be seeded to grass and kept free of <br />noxious weeds until used for reclamation. Especially beware <br />of spotted knappweed, yellow toadflax and leafy spurge which <br />are getting started in the area. These noxious weeds should <br />be controlled! <br />As final reclamation begins slopes should be graded back to <br />2:1 or flatter and topsoil spread to a minimum depth of 6 <br />inches over scarified gravel. Seed should be planted in the <br />fall after Oct.10th or in the spring before May 1st. <br />according to the enclosed SCS Grass Seeding Worksheet (CO- <br />ECS-5). It is best to plant the seed in using a grass drill. <br />If the seed is to be broadcast the seeding rate must be <br />doubled. Steep slopes should be mulched with 1 ton/acre of <br />weed free hay or straw immediately after seeding. The mulch <br />should be anchored from the wind. <br />The disturbed area should be kept free of noxious weeds <br />during gravel mining and for a period of a least 3 years <br />following reclamation. (Again, beware of knappweed, yellow <br />toadflax and leafy spurge) <br />If you, require further assistance please contact this <br />office. <br />Mark Volt <br />District Conservationist. <br />?eex?d ??, lg aoro ?)