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TABLE 4.1-3 <br />_ TEST PIT TP 3 <br /> <br />The test pit is located in alluvial deposits of Munger <br />Canyon, about half a mile from the confluence. The surface <br />is flat. The vegetation is sagebrush, grasses, and juniper. <br />A is the only soil horizon found. Several large sand- <br />stone boulders 1 to 3 feet in diameter have been found <br />during the excavation of the test pit. <br />0 - 1" - Vegetation cover <br />1 - 10" - Grey, very fine sand matrix with <br />medium-sized gravel (2 to 1 inch), <br />loose, dry, frequent fine roots <br />10 - 16" - Medium brown., very fine sand, <br />• medium hard, slightly moist, <br />some pebbles present, no traces of <br />mottling, some fine roots <br />16 - 32" - Grey, very fine sand with large <br />sandstone boulders, some small pebbles <br />present, moist, no mottling, some fine <br />roots <br />32 - 52" - Grey, very fine sand, with some small <br />gravel, hard, moist, no mottling, <br />very fine roots present <br />52 - 57" - Band of medium to large size gravel <br />with traces of coal fragments,medium <br />hard, moist, few fine roots <br />57 - 72" - Medium brown, very fine sand, hard, <br />• moist, no traces of mottling, very <br />few fine roots <br />72 - 74" - Light grey, very fine sand, with <br />medium sized gravel, hard, moist, <br />