Howell, B.F., and Mason, J.F., 1938, Correlation of Middle Cambrian faunas of North America: Journal of Paleontology, v. 12, p. 295-297. Authors Howell, B.F., and Mason, J.F. Publication Date 1938 Citation Journal of Paleontology, v. 12, p. 295-297. State AZ Province CP TR County CN MO Keywords Biostratigraphy Correlation Paleontology Cambrian More Keywords Biostratigraphy, Correlation, Paleontology, Cambrian, AzGeoBib RefNum 4671