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• Soil complexes were mapped when two or more kinds of soil or miscellaneous <br />areas were in a pattern so intricately mixed that the components could not be <br />separately delineated at the 1" = 400' map scale, i.e., the maximum size of <br />mapping inclusions in similar soils was 2.0 acres and the maximum size of <br />mapping inclusions in dissimilar soil was 1.0 acre. <br />• Map unit descriptions include the site specific percentage of the component series <br />(and percentages for major inclusions) found in each mapping unit and reflect the <br />site specific conditions (ranges, variability, associated competing soils) of the <br />study area. <br />• All map units were correlated with existing SCS soil series, where possible. <br />Series variants were utilized where site-specific soil properties differed slightly <br />from the established soil series. <br />• Definitions and limits for the terms phase, consociation, complex, variant, similar, <br />and dissimilar were applied as described in the revised Soil Survey Manual, <br />Chapter 5 -Map Units (Soil Survey Staff, 1992). <br />Furthermore, each map unit was fully described and the following terms were also addressed: <br />• slopes (slope percent and slope length if important) <br />• physiography type <br />• erosion hazard from wind <br />• erosion hazard from water <br />• surface water <br />In addition, all mapping units were compared with existing SCS Routt County mapping units. <br />PWCC has maintained a complete and legible field notebook that describes the soil <br />characteristics (in an appropriate method of field notation) for the 132 holes that were dug during <br />the 1989 and 1992-1993 field mapping. This product provides additional site specific information <br />and is valuable for several reasons. It provides survey-area-wide data beyond the standard point <br />specific sampling data. This information is valuable for soil series range of characteristics report <br />discussion, as well as for more specific soil suitability evaluations and subsequent soil volume <br />calculations based on percent inclusions as well as major map unit components. It also provides <br />• a written record of field work that can be utilized in any subsequent field review. The soil <br />9 <br />