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/UNITED STATES DEPARTMENT OF AGRICULTURE <br /> SOIL CONSERVATION SERVICE <br /> 422 East First St. , Trinidad, CO 81082 May 15, 1981 <br /> Mr. Dave Zeeb <br /> C F & I Mining Dept. <br /> P.O. Box 316 <br /> Pueblo, CO 81002 <br /> Dear Mr. Zeeb: <br /> In response to our telephone conservation May 11, 1981, I am enclosing the <br /> following information on the soils tested at the Maxwell and Allen mines. <br /> The soil type at the Allen mine was determined to be Table Mountain loam. _ <br /> The soil type at the Maxwell mine was determined to be Noden. These soils <br /> do not have any restrictions of plant growth. <br /> In the previous tests at the Allen mine (4 sample sites) , I stated that the <br /> soil had two horizons that should be stockpiled separately. The A and B <br /> horizons were both high in organic matter and ranged from 20 to 40 inches <br /> thick. They do not require separation. The C horizon was low in organic <br /> matter and slightly calcareous: Both horizons are good growth mediums having <br /> low SAR, Electrical conductivity, and calcium carbonate equivalents. The <br /> A and B horizons are better growth mediums due to the high organic matter <br /> content. <br /> The sample taken at the Maxwell mine had two distinct horizons, A and B, <br /> which need to be separated. The A horizon was high in organic matter, had <br /> a neutral ph, and was low in soluable salts (SAR) . It is an excellent soil <br /> for reestablishing vegetation. The B horizon is slightly alkaline and non- <br /> saline. It does not have the high organic matter content so would not be <br /> quite as good a growth medium. Other than low organic matter content, there <br /> are not any other problems associated with this soil, i.e. , it has low salt <br /> content and low electrical conductivity. With proper fertilization, the C <br /> horizon would be productive with almost any type of -vegetation. <br /> In response to your request for soils information in Apache Canyon, I am <br /> sorry to say that it is not available at this time and cannot be determined <br /> until the later part., of July due to a 6-8 _­eek -,;crk de-.ail at Salida I must <br /> .._l.l determine the soil at chat t-;tee. l has been my experience <br /> hovfever, hat the soils in that area, do not have any problems with salt or <br /> carbonates. The only hazards the soils might have are steepness of slope <br /> and shallow depth to bedrock in areas away from the canyon floor. <br /> If you have any questions or need further information please let me know. <br /> Sincerely, <br /> Lee A. Neve <br /> Soil Scientist <br />