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Surface water supply of the United States, 1940 : Part 12, North Pacific drainage basins
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Surface water supply of the United States, 1940, Part VII, Lower Mississippi River basin
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Surface water supply of the United States, 1939, Part VII, Lower Mississippi River basin
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Surface water supply of the United States, 1938 : Part 12, North Pacific drainage basins
publication
Surface water supply of the United States, 1939 : Part 12, North Pacific drainage basins
publication
Surface water supply of the United States, 1938, Part VII, Lower Mississippi River basin
publication
Surface water supply of the United States, 1937 : Part 12, North Pacific drainage basins
publication
Surface water supply of the United States, 1937, Part VII, Lower Mississippi River basin
publication