Survey, U. S. G. (1977). Ground-water levels in the United States, 1974: Southeastern states. Washington : United States Government Printing Office.
Citace podle Chicago (17th ed.)Survey, United States. Geological. Ground-water Levels in the United States, 1974: Southeastern States. Washington : United States Government Printing Office, 1977.
Citace podle MLA (9th ed.)Survey, United States. Geological. Ground-water Levels in the United States, 1974: Southeastern States. Washington : United States Government Printing Office, 1977.
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