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5 <br /> NUCLA MINE SOIL SURVEY <br /> INTRODUCTION <br /> An agreement was entered into with the Peabody Coal Company, Rocky <br /> Mountain Division to reexamine and map a small portion of the NUCLA <br /> mine lease area, Nucla, 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 /> PROCEDURE <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 saanples, packaged for shipment, to Bud Benson for <br /> transmittal to the Company'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 procedure 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 /> c n 'ties 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 />