2014-09-15_PERMIT FILE - M2014051

Home Browse Search

SITE DESCRIPTION EXHIBIT B SOILS INFORMATION The following information was obtained from the basic soils and vegetation information found through the USDA' s National Soils information page and the Soil Survey of Yuma County. The vegetation information and seeding recommendations were prepared using information provided by the NRCS . There are three soil units shown on the USDA map, reproduced on page 7 following this text . The photo map shows the surrounding vegetation features and soil types . This area has a good grass and forb cover is in good shape . It gently slopes from south to north with the southern end running along a small ridge of exposed gravelly sand. This deposit is considered a terrace deposit since it lies out side and above Rock Creek on a ridge of gravelly sand that parallels the streambed. The 15 - Eckley-gravelly sandy loam, 3 to 7% slopes soil series covers approximately 4 . 1 acres (41%) of this mine site . The general soils description indicates that this soil is well drained soil found on ridges and low hills parallel to dry creek beds . The upper most horizon is about 5 inches of a grayish brown gravely sandy loam that will be usable as topsoil and a layer of sandy loam overburden that ranges from 5 to 6 feet deep. Lying below this upper layer is a sandy gravel strata that is 20 feet or more deep . This material is suitable for pit run mate- rial that can be used as road base and course fill . This soil type falls in the capability subclass 6e nonirrigated and the ecological site classification as gravel breaks . The 32 - Paoli sandy loam soil series covers approximately 5 . 2 acres (51 . 8%) of this mine site . The general soils description indicates that this soil is deep, well drained soil found on floodplains and second-bottom stream terraces in the northern part of Yuma County. The upper most horizon is about 5 inches of a grayish brown sandy loam that will be usable as topsoil . Lying below this upper layer is a sandy strata that is 3 to 5 feet deep and a layer of gravely sand that is 20 feet or more deep. This material is rockier then the material to the south and is suit- able for crushed stone products . This soil type falls in the capability subclass 3e nonirrigated and the ecological site classification as Sandy Plains . The 35 - Platner loam soil series covers approximately 0 . 7 acres (7 . 2%) of this mine site . The general soils description indicates that this soil is a deep, well drained soil found on planes in the northwestern part of the county. The upper most horizon is about 6 inches of a grayish brown loam that will be 4