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MLA
Geological Survey (U.S.) (cartographer), U.S. Geological Survey (publisher). Texas (Stonewall County) Aspermont quadrangle Dept. of the Interior, U.S. Geological Survey. - University of Texas Libraries Collections. 1931. https://collections.lib.utexas.edu/catalog/utlmaps:f097c998-a249-4ff1-b249-4c6a3e494163APA
Geological Survey (U.S.) (cartographer), U.S. Geological Survey (publisher). (1931). Texas (Stonewall County) Aspermont quadrangle Dept. of the Interior, U.S. Geological Survey.. Retrieved June 01, 2026, from https://collections.lib.utexas.edu/catalog/utlmaps:f097c998-a249-4ff1-b249-4c6a3e494163Chicago
Geological Survey (U.S.) (cartographer), U.S. Geological Survey (publisher). Texas (Stonewall County) Aspermont quadrangle Dept. of the Interior, U.S. Geological Survey.. 1931. "Texas (Stonewall County) Aspermont quadrangle Dept. of the Interior, U.S. Geological Survey. – Collections". University of Texas Libraries Collections. <https://collections.lib.utexas.edu/catalog/utlmaps:f097c998-a249-4ff1-b249-4c6a3e494163> (01-June-2026).Note that these citations have been automatically generated, please verify that citation is correct and contains all necessary information.