Harris, R.C., 2006, Arizona is cracking up: Southwest Hydrology, v. 5, n. 1, p. 8-9 Authors Harris, R.C. Publication Date 2006 Citation Southwest Hydrology, v. 5, n. 1, p. 8-9 State AZ Province BR TR County MO MA LP YU PN PM CH GM Placenames Willcox Playa Safford Basin Picacho Basin Maricopa-Stanfield Basin Hassayampa Plain Harquahala Plain McMullen Valley Hualapai Valley Tucson Basin Avra Valley Basins Hualapai Valley Phoenix Ama Pinal Ama Tucson Ama Upper San Pedro Willcox Douglas Safford Aravaipa Canyon Watersheds Willcox Playa Whitewater Draw Colorado River Keywords Hazard Earth Fissure Subsidence More Keywords Hazard, Earth Fissure, Subsidence AzGeoBib RefNum 16032