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Aquolls and Aquepts soils were found primarily as a result of flood irrigation accumulating in the <br />drainages. These soils have characteristics indicating they are wet throughout most ofthe soil profile <br />for most of the year. <br />Gently sloping uplands comprise most of the study area. Progresso and Pinon soils are found on <br />these areas. Pinon is less than 20 inches to bedrock, whereas Progresso is 20 to 40 inches. <br />Progresso soils developed in residuum from interbedded sandstone and shale and have well <br />developed Bt argillic horizons and underlying Bk calcic horizons. The Barx soil is found as an <br />inclusion with Progresso and Pinon. Pinon soils are developing in thin residuum from sandstone in <br />areas where sandstone ledge rock is near or at the surface. Weathered shale bedrock is often found <br />beneath the relatively thin sandstone ledge rock. Pinon soils have a zone of secondary calcium <br />carbonate accumulation. <br />The Barx soil is deep (40 to 60 inches to either sandstone or shale bedrock) to very deep (greater <br />than 60 inches to either sandstone or shale bedrock) and has a well developed Bt argillic and Bk <br />calcic horizon. It has loam, sandy clay loam, or clay loam textures in the Bt particle size control <br />section, and is developing in wind deposited loess over residuum from sandstone and shale at depth <br />in the soil profile. The Banc soil is found on the gently sloping mesa-like surface in the southeast <br />corner of the study area. <br />Soils and Geomorphology -1996 <br />The study area included the Garvey and Burbridge properties located within the original 1988 <br />survey. This survey updated map unit delineations and provided detailed topsoil salvage depths for <br />the above properties. <br />Soils and Geomorphology - 1998 <br />The study area included the Morgan property located within the original 1988 survey and additional <br />areas north of BB Road that were not surveyed in 1998. This survey updated map unit delineations <br />and provided detailed topsoil salvage depths on the Morgan property as well as detailed baseline <br />(REVISED 2/00) 2.04.9-4 <br />