Cite
MLA
Geological Survey (U.S.) (cartographer). Texas (Frio County) Pearsall quadrangle. - University of Texas Libraries Collections. 1927-01-01. https://collections.lib.utexas.edu/catalog/utlmaps:4658db53-ec09-4660-a2a4-9545feadb311APA
Geological Survey (U.S.) (cartographer). (1927-01-01). Texas (Frio County) Pearsall quadrangle.. Retrieved June 01, 2026, from https://collections.lib.utexas.edu/catalog/utlmaps:4658db53-ec09-4660-a2a4-9545feadb311Chicago
Geological Survey (U.S.) (cartographer). Texas (Frio County) Pearsall quadrangle.. 1927-01-01. "Texas (Frio County) Pearsall quadrangle. – Collections". University of Texas Libraries Collections. <https://collections.lib.utexas.edu/catalog/utlmaps:4658db53-ec09-4660-a2a4-9545feadb311> (01-June-2026).Note that these citations have been automatically generated, please verify that citation is correct and contains all necessary information.