Darton, N.H., 1932, Some Algonkian strata in Arizona and adjoining regions: Washington Academy of Sciences, Journal, v. 22, p. 319. Authors Darton, N.H. Publication Date 1932 Citation Washington Academy of Sciences, Journal, v. 22, p. 319. State AZ Province AL County AL Keywords Stratigraphy More Keywords Stratigraphy, Troy Quartzite - Middle Proterozoic, AzGeoBib RefNum 2426