USGS CMG InfoBank Geology School: leaching

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Title	Comment	Keywords
Soil Horizons	15:35 - 16:19 (00:44) / 1.0 MB	weathering, soil, rock, horizon, "loamy topsoil", "A horizon", "B horizon", "C horizon", humus, plant, rainfall, water, leaching
Tropical Soil	18:18 - 19:20 (01:02) / 2.1 MB	weathering, soil, tropic, jungle, "fertile soil", agriculture, "rain forest", vegetation, humus, nutrient, tree, plant, leaching, forest, erosion, wasteland

Geology School Keywords

U.S. Department of the Interior | U.S. Geological Survey
URL: http://walrus.wr.usgs.gov/infobank/programs/html/school/keypage/leaching.html
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Page Last Modified: Tue Feb 5 05:13:04 PST 2013 (chd)