Harris, R.C., 2004, Giant desiccation cracks in Arizona: Arizona Geological Survey Open-File Report 04-01, 93p. Authors Harris, R.C. Publication Date 2004 Citation Arizona Geological Survey Open-File Report 04-01, 93p. State AZ Province TR BR County MO MA LP YU PN PM CH GM Placenames Willcox Playa Safford Basin Aravaipa Valley Picacho Basin Maricopa-Stanfield Basin Hassayampa Plain Harquahala Plain McMullen Valley Tule Desert Pinacate Mts. Hualapai Valley Tucson Basin Avra Valley Basins Hualapai Valley Phoenix Ama Pinal Ama Tucson Ama San Simon Wash Western Mexican Drainage Upper San Pedro Willcox Douglas Safford Aravaipa Canyon Watersheds Willcox Playa Whitewater Draw Colorado River Keywords Hazard Earth Fissure More Keywords Hazard, Earth Fissure, AzGeoBib RefNum 16026