Interior, U. S. D. o. t. (1982). Generalized geologic map of Alabama / [peta]. Washington DC : U S Government Printing Office.
Style de citation Chicago (17e éd.)Interior, United States. Department of the. Generalized Geologic Map of Alabama / [peta]. Washington DC : U S Government Printing Office, 1982.
Style de citation MLA (9e éd.)Interior, United States. Department of the. Generalized Geologic Map of Alabama / [peta]. Washington DC : U S Government Printing Office, 1982.
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