Petroleum Information Service[?], 1953, Contour map of the Four Corners area, Utah, Colorado, Arizona, and New Mexico: Casper, Wyo., 1 sheet, scale 1:760,320. Authors Petroleum Information Service[?] Publication Date 1953 Citation Casper, Wyo., 1 sheet, scale 1:760,320. State UT CO NM AZ Province CP County AP Placenames Teec Nos Pos area Carrizo Mts. Keywords Petroleum Natural Gas More Keywords Petroleum, Natural Gas, AzGeoBib RefNum 7851