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5 <br />• <br />INPRDDUCTION <br />NUCLA MLNE SOIL SURVEY <br />An agreanent was entered into with the Peabody Coal Ca~any, Rocky <br />Mountain Division to reexamine and map a small portion of the NUCLA <br />mine lease area, Nuc1a, Montrose County, Colorado, and to obtain <br />and ship to the Peabody Coal Company laboratory samples of 10 <br />stockpiles as well as of the soils in the mapped area. <br />PI~CIDURE <br />On May 9, 1979, Fay Paxton, soil surveyor, and Dr. Claude L. Fly, <br />Contractor, visited the area and were driven over the lease by Bud <br />Benson, Mine Superintendent. The ten stockpiles were located and <br />• numbered on the topographic and facility map furnished by Peabody <br />Coal Company. The study area was located. Agreement was made to <br />deliver all sar~les, packaged for shipment, to Bud Henson for <br />transmittal to the Ca~any's Central laboratory, Freeburg, Illinois. <br />On May 16-18, Mr. Paxton and assistant mapped the 116-acre tract and <br />obtained and packaged soil samples of the key soil series and of the <br />10 stockpiles. The usual prooEClure is to expose the soil profile <br />by means of file spade, examine, describe and sample each natural <br />horizon. Lower horizons may be reached by use of a barrel type <br />auger. Since most of the 116-acre tract had been cultivated or <br />seeded to pasture, no attempt was made to identify vegetative <br />can~wzities as such. This study is under separate contract with <br />Mariah Associates. A small area of Juniper-Pinyon brush land was <br />found on a narrow ridge in the extreme southwest corner. <br />The revised soils map was prepared on an aerial photo of scale <br />1" = 400 feet (approximate) and transferred to a mylar overlay of <br />• the topo/facility base which was based on aerial photos of <br />