Wahl, K. D. (1965). Ground-water resources of Pickens County, Alabama: A reconnaissance. Geological Survey of Alabama. Division of Water Resources.
Citace podle Chicago (17th ed.)Wahl, Kenneth D. Ground-water Resources of Pickens County, Alabama: A Reconnaissance. University, Ala.: Geological Survey of Alabama. Division of Water Resources, 1965.
Citace podle MLA (8th ed.)Wahl, Kenneth D. Ground-water Resources of Pickens County, Alabama: A Reconnaissance. Geological Survey of Alabama. Division of Water Resources, 1965.
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