Walcott, C.D., 1891, Correlation papers; Cambrian: U.S. Geological Survey Bulletin 81, 447 p. Authors Walcott, C.D. Publication Date 1891 Citation U.S. Geological Survey Bulletin 81, 447 p. State AZ Province CP TR County CN MO Placenames Marble Canyon Keywords Stratigraphy Cambrian Correlation More Keywords Stratigraphy, Cambrian, Correlation, AzGeoBib RefNum 10727
