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<br />United States Department of Agriculture <br />NRCS Natural Resources Conservation Service <br />Jim Boyd, Resource Conservationist <br />P.O. Box 29 • Norwood • Colorado • 81423 <br />(970) 327-4245 • (970) 327-4821 Fac <br />E-mail: jim.boyd@co.usda.gov <br />Douglas L. Conger, Geologist March 27, 2001 <br />Geological Services <br />711 Hartman Road <br />Cortez, CO 81321 <br />Dear Mr. Conger: <br />Regarding the exact boundary of any two soils, the soil delineations in the SCS Soil <br />Survey are generalized, or interpolated, using soil pit samples, topography, geologic <br />breaks, aspect, etc. A definitive boundary of any soil cannot be detern~ined unless a more <br />intensive soil survey/sampling is performed. Furthermore, there is often gradation <br />between any two adjacent soils. <br />And as you are probably aware, each soil unit commonly has inclusions of "neighbor" <br />soils within its mapped boundaries. <br />Given all this, there is often room for dispute over the boundazies of soil breaks. <br />I've included the soil map and soil descriptions for the area in question, and a <br />topographic map with the soil boundaries drawn on it. I am not familiar with the location <br />and extent of the gravel pit in relation to the two soils. I would have to make a site visit <br />to make any kind of ajudgement call. <br />I hope this information helps in you. Call me if you have further questions or concerns. <br />Sincerely, ~~ <br />~r <br />Jim Boyd <br />