Cite
MLA
Geological Survey (U.S.) (cartographer). Texas (Presidio Co.) Polvo sheet. - University of Texas Libraries Collections. 1913-01-01. https://collections.lib.utexas.edu/catalog/utlmaps:138b023d-1354-4a7f-a318-b225461cdda8APA
Geological Survey (U.S.) (cartographer). (1913-01-01). Texas (Presidio Co.) Polvo sheet.. Retrieved May 31, 2026, from https://collections.lib.utexas.edu/catalog/utlmaps:138b023d-1354-4a7f-a318-b225461cdda8Chicago
Geological Survey (U.S.) (cartographer). Texas (Presidio Co.) Polvo sheet.. 1913-01-01. "Texas (Presidio Co.) Polvo sheet. – Collections". University of Texas Libraries Collections. <https://collections.lib.utexas.edu/catalog/utlmaps:138b023d-1354-4a7f-a318-b225461cdda8> (31-May-2026).Note that these citations have been automatically generated, please verify that citation is correct and contains all necessary information.