Cite
MLA
Geological Survey (U.S.) (cartographer). Texas Big Spring South quadrangle : 15--minute series United States Dept. of the Interior, Geological Survey. - University of Texas Libraries Collections. 1949. https://collections.lib.utexas.edu/catalog/utlmaps:11ca6bea-6b38-4c16-a119-6775213f3e4dAPA
Geological Survey (U.S.) (cartographer). (1949). Texas Big Spring South quadrangle : 15--minute series United States Dept. of the Interior, Geological Survey.. Retrieved July 31, 2025, from https://collections.lib.utexas.edu/catalog/utlmaps:11ca6bea-6b38-4c16-a119-6775213f3e4dChicago
Geological Survey (U.S.) (cartographer). Texas Big Spring South quadrangle : 15--minute series United States Dept. of the Interior, Geological Survey.. 1949. "Texas Big Spring South quadrangle : 15--minute series United States Dept. of the Interior, Geological Survey. – Collections". University of Texas Libraries Collections. <https://collections.lib.utexas.edu/catalog/utlmaps:11ca6bea-6b38-4c16-a119-6775213f3e4d> (31-July-2025).Note that these citations have been automatically generated, please verify that citation is correct and contains all necessary information.