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consociations of a minimum size of less than one acre were <br /> delineated. <br /> 2. If soils were similar (i .e. , low contrasting in physical and/or <br /> chemical properties and/or depths of suitable soil ) , consociations <br /> of a minimum size of one to two acres were delineated. <br /> 3. All map units were correlated with existing Montrose County soil <br /> series, where possible. Where soils were significantly different <br /> than the established soil series, these areas were classified and <br /> reported using variant, phase, and disturbed land terminology. <br /> Furthermore, each map unit was fully described and the following items <br /> were addressed: <br /> - map unit symbol <br /> - map unit name <br /> - topsoil suitability <br /> - chemical and physical properties <br /> - slopes (their length, if important, and percentages) <br /> - parent material <br /> - predominant vegetation type <br /> As an additional product, Peabody maintained a complete and legible <br /> field record which describes the soil characteristics for each hole that <br /> was dug during the basic soil mapping phase. This historical <br /> information, presented in Appendices 9-4-1 and 9-4-2, includes a <br /> numerical listing for each sample site and map unit name for each <br /> observation. It provides survey area wide data beyond the standard <br /> point-specific sampling data. This information is important for soil <br /> series range characteristics report discussions , as well as for more <br /> specific topsoil suitability evaluations and subsequent topsoil volume <br /> calculations. It also provides a written record of all field work that <br /> can be utilized in any subsequent field reviews initiated by Peabody or <br /> CMLRD personnel . All holes are appropriately numbered in the table and <br /> plotted on the base maps (Exhibit 9-5, Soil Sample Locations) . <br /> Map units were delineated on rectified aerial photograph base maps <br /> (scale = 1" = 400' , Exhibit 9-4) . The legend on the maps includes all <br /> 9-4-8 Ppvised 11/Ol/n6 <br />