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WP022. <br />GFO 1. <br />TOPSOIL — Rule 4.06 <br />Removal 4.06.2; Substitute Materials 4.06.4(4); Storage and Protection 4.06.3; Redistribution 4.06.4: <br />Although not specifically addressed in Rule 3.03, the Division evaluates topsoil replacement in conformance with <br />Rule 4.06 and permit requirements as a component of Phase 11 bond release. Colowyo is approved for variable <br />topsoil depth placement and as per Colowyo's PAP. "Topsoil will ... ... be redistributed and graded to a variable <br />replacement depth following the general rule of thin topsoil (<6) inches on ridge tops to gradually thicker topsoil <br />moving down the slopes to the drainage bottoms for the grazingland land use targeted areas. Sagebrush Steppe <br />areas will ideally receive an average of approximately 4 inches of topsoil that will likely be more uniform <br />application to encourage proper seeding depth and overall shrub establishment conditions." Topsoil verification <br />was done prior to the SL -19 inspection and was documented in the Divisions inspection report dated 8/12/20. All <br />topsoil verification holes were dug to a minimum of 9 inches or until topsoil was no longer visible. The following <br />table and map show the depths and location to each topsoil verification hole: <br />