Publication Date 2006 Citation Arizona Geological Survey Digital Geologic Map Series DGM-47, v. 1.0, 1 CD-ROM (1 sheet, scale 1:24,000). State AZ Province BR County MA Placenames Palo Verde Hills Tonopah Desert Basins Phoenix Ama Upper Hassayampa Watersheds Lower Gila River Keywords Map Bedrock Surficial Digital Earth Fissure Hazard More Keywords Map, Bedrock, Surficial, Digital, Earth Fissure, Hazard, AzGeoBib RefNum 16089