Wilmarth, M.G., comp., 1932, Tentative correlation of the named geologic units of Arizona: U.S. Geological Survey, 1 sheet. Authors Wilmarth, M.G., comp. Publication Date 1932 Citation U.S. Geological Survey, 1 sheet. State AZ Province AL County AL Keywords Stratigraphy Correlation More Keywords Stratigraphy, Correlation, AzGeoBib RefNum 11212