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MLA
Geological Survey (U.S.) (cartographer). Texas Dennis quadrangle Department of the Interior, U.S. Geological Survey. - University of Texas Libraries Collections. 1931-01-01. https://collections.lib.utexas.edu/catalog/utlmaps:caea3f78-3382-402d-8bc3-0219c2cde59fAPA
Geological Survey (U.S.) (cartographer). (1931-01-01). Texas Dennis quadrangle Department of the Interior, U.S. Geological Survey.. Retrieved May 31, 2026, from https://collections.lib.utexas.edu/catalog/utlmaps:caea3f78-3382-402d-8bc3-0219c2cde59fChicago
Geological Survey (U.S.) (cartographer). Texas Dennis quadrangle Department of the Interior, U.S. Geological Survey.. 1931-01-01. "Texas Dennis quadrangle Department of the Interior, U.S. Geological Survey. – Collections". University of Texas Libraries Collections. <https://collections.lib.utexas.edu/catalog/utlmaps:caea3f78-3382-402d-8bc3-0219c2cde59f> (31-May-2026).Note that these citations have been automatically generated, please verify that citation is correct and contains all necessary information.