Billingsley, G.H., 1990, Geologic map of the Purgatory Canyon quadrangle, northern Mohave County, Arizona: U.S. Geological Survey Open-File Report 90-0540, 1 sheet, scale 1:24,000. Authors Billingsley, G.H. Publication Date 1990 Citation U.S. Geological Survey Open-File Report 90-0540, 1 sheet, scale 1:24,000. State AZ Province CP County MO Placenames Shivwits Plateau Virgin River area Beaver Dam Mts. Keywords Map Bedrock Surficial More Keywords Map, Bedrock, Surficial, Black Rock Mountain Basalt - Pliocene, AzGeoBib RefNum 12400
