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<br />QNITED STATES NATIIRAL R$8OIIRCEB DELTA FIELD OPPICS <br />DEPARTMENT OP CONSERVATION 690 INDDBTRIAL BLVD. <br />AGRZCQLTIIRS SERVICE DELTA, CO 8116 <br />subj~ot: RES.INV-290 - Reclamation Plan for Gravel Pit Operation <br />Brian Wilson, P.E. <br />Earth Stone LTD. <br />509 1550 Road <br />P.O. Box 781 <br />Delta, CO 81416 <br />Dear Brian: <br />February 7, 1997 <br />On February 5, 1997, I accompanied you to the site of a proposed <br />gravel operations. You are working on a reclamation plan on a <br />reclamation plan for the site and requested assistance from this <br />office. <br />The site is located on the NE 1/4 of Section 28, T15S, R96W, and <br />is proposed to encompass approximately 9 acres. The site is <br />currently in Range and in very poor condition. Species currently <br />on the site included: Junegrass, Three-awn, Sand Dropseed, Rabbit <br />Brush, Blackbrush, and some cactus. ' <br />Soils on the site include: (Delta/Montrose Soil Survey) <br />RV (on the Survey) - R3 (on the print out), this soil is a <br />Ustic Torriorthente Rock Outcrop, 25-908 slopes. Rough <br />broken land, shale and till materials occurs on the <br />steeply eloping sides of erosional valleys and isolated <br />mesas. it consists principally of many exposures of <br />barren shale. This land type can be used only as range <br />because of the steep topography and shallow soils. <br />Erosion is a serious hazard. In many places gullies <br />have formed in intricate pattern and have cut into the <br />shale parent material. Even when rainfall ie normal, <br />large volumes of water run ofP and wash large amounts <br />of silt onto the surrounding soils. <br />Range Site for this soil is - SALTDESERT BREAKS <br />RU (on the Survey) - Ro (on the print out), Rock Outcrop, <br />this soil in on the steeply sloping sides of mesas. <br />It consists of exposures of sedimentary shale and sand- <br />stone, extremely gravelly alluvial material, colluvial <br />debris, and shallow soils. The slope range is 10-608. <br />This land type is unsuitable for tillage and is used <br />exclusively as native range. It supports a fair to <br />good cover of native grass, sage, cactus and brush. <br />Many areas are bare, and the steep upper slopes cannot <br />be reached by cattle. Nevertheless, those areas are <br />valuable as range and furnish grazing late in summer <br />and in the fall. <br />Range Site for this soil is - SALTDESERT BREAKS <br />