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• Exhibi[ D-2 <br />O Unitetl States Soii USDA Service Center <br />~~ Department of Conservation 248 Dozier .Avenue <br />Apncuiture Service Canon City, CO 81212 <br />spo)ect: Soils Evaluation; C 8 C Sand Red Pock Quarry Date: peril 2, a985 <br />ro: Don Rapp <br />8730 W. Mountain View Lane <br />Littleton, Colorado 80125 <br />The areo'Githin the boundaries of the subject parcel consists of the exposed <br />bedrock high wall and various spoil materials remaining from a previous <br />operation. These waste materials were deposited at the mouth of the canyon <br />containing the quarry. <br />The materials deposited at the mouth are in the form of a long, narrow series <br />of piles oriented lenghtwise with the large canyon the quarried canyon is a <br />tributary of. The tops of the piles were flattened in most parts. Adjacent <br />to these piles and further from the quarry wall is a relatively flat area <br />consisting of waste materials spread over the large canyon floor. <br />The entire area is essentially devoid of vegetation. This is apparently <br />due largely to the poor suitability of the spoil materials as a medium for <br />plant growth. The materials are variable, and the extent of any one type <br />of material is difficult to estimate. <br />Several materials were observed. The most common material is a light sandy <br />loam with 60 percent or more pebbles. The available water capacity of this <br />soil is only about ~ inch per foot of material and is therefore drouthy and <br />poor medium for plant grolath. Establishment of plants in this material would <br />be particularly difficult, as the present lack of vegetation indicates. <br />Another sample observed is a light loam with 60 percent rock fragments. Rock <br />fragments in this sample area included large stones and boulders. .Available <br />water capacity of this material is only slightly better than that of the one <br />mentioned above. <br />The drouthiness of the materials is the key limitation. Other soil properties <br />are adequate. The pH of both samples mentioned above is about 8.0 Both samples <br />are calcareous. <br />As I mentioned to you at the site, the head of the small gully just outside of <br />the south boundary should be treated to prevent further head cutting back on <br />to C $ C property. <br />/6911. W ' / <br />Timothy J. Wheeler <br />Soil Scientist <br />0 Tne Sal Conservation Sernce <br />V .s a~ epency or Ine SCS-AS-2 <br />Deparlmenl of Apr~culture 10 79 <br />