Abstract:, and charged with the responsibility for "Classification of the public lands and examination of the geological structure, mineral resources, and products of the national domain." In 1894, a small appropriation was obtained for the specific purpose of "gauging streams and determining the water supply of the United States." Subsequently, the role of the Geological Survey in water resources gradually expanded and the Survey now has the principal responsibility for appraising the source, quantity, quality, and mo… Show more
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