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<br />..... <br />.... <br />~. <br />- <br /> <br />C'.'" <br /> <br />.";> <br /> <br />The soils of Red Mesa and Fort Lewis Mesa which together <br /> <br />constitute the main body of the project area in Colorado are <br /> <br />described by Associate Engineer H. F. Bahmeier as follows: <br /> <br />The soil is a reddish sandy loam to loam, of good depth and <br /> <br />underlaid with gravel. A well defined slightly compacted lime <br /> <br />zone usually about one foot in thickness is encountered at <br /> <br />from 36 to 42 inches from the surface. This layer is either <br /> <br />underlaid directly by gravel or by loose sandy loam which <br /> <br />gives way to gravel at greater depths. <br /> <br />The drainage is excellent but at the same time the lime <br /> <br />layer provides enough temporary impediment to percolating <br /> <br />water so that irrigation ~~ter can be distributed over the <br /> <br />fields with little loss due to deep percolation. The soil was <br /> <br />found to be shallow and sometimes rocky near the borders of <br /> <br />the mesa, particularly where points were left by the erosion <br /> <br />of side draws. Over the remainder of the mesa, however, the <br /> <br />soil was found to be practically all class 1, the larger per- <br /> <br />centage of class 2 being accounted for by the fact that the <br /> <br />it <br />~ <br /> <br />topography was not sufficiently smooth for class 1. . <br /> <br />~. <br />, <br /> <br />., <br /> <br />::. <br /> <br />11 <br /> <br />".,1 <br />