Peterson, D.W., 1970, Ash-flow deposits, their character, origin, and significance: Journal of Geological Education, v. 18, p. 66-76. Authors Peterson, D.W. Publication Date 1970 Citation Journal of Geological Education, v. 18, p. 66-76. State AZ Province BR TR County PN MA GI Placenames Superstition Mts. Whitlow Canyon area Mineral Mtn. area Ray area Superior area Globe-Miami area Pinto Creek area Salt River Mts. Rockinstraw Mtn. area Keywords Igneous Petrology Volcanic More Keywords Igneous Petrology, Volcanic, AzGeoBib RefNum 7876