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MLA
Geological Survey (U.S.) (cartographer). Texas Bart quadrangle Dept. of the Interior, U.S. Geological Survey. - University of Texas Libraries Collections. 1927. https://collections.lib.utexas.edu/catalog/utlmaps:1a71a24b-30e6-4a2b-9e4a-1bc0a18b628eAPA
Geological Survey (U.S.) (cartographer). (1927). Texas Bart quadrangle Dept. of the Interior, U.S. Geological Survey.. Retrieved August 15, 2025, from https://collections.lib.utexas.edu/catalog/utlmaps:1a71a24b-30e6-4a2b-9e4a-1bc0a18b628eChicago
Geological Survey (U.S.) (cartographer). Texas Bart quadrangle Dept. of the Interior, U.S. Geological Survey.. 1927. "Texas Bart quadrangle Dept. of the Interior, U.S. Geological Survey. – Collections". University of Texas Libraries Collections. <https://collections.lib.utexas.edu/catalog/utlmaps:1a71a24b-30e6-4a2b-9e4a-1bc0a18b628e> (15-August-2025).Note that these citations have been automatically generated, please verify that citation is correct and contains all necessary information.