Fridrich, C.J., 1991, Geologic map of Sierrita caldera fragment, Sierrita Mountains, Pima County, Arizona: Arizona Geological Survey Contributed Map CM-91-L, 1 sheet, scale 1:24,000. Authors Fridrich, C.J. Publication Date 1991 Citation Arizona Geological Survey Contributed Map CM-91-L, 1 sheet, scale 1:24,000. State AZ Province BR County PM Placenames Sierrita Mts. Keywords Map Bedrock Volcanology More Keywords Map, Bedrock, Volcanology, AzGeoBib RefNum 12505