1. Hydrogeology, land-subsidence projections, and earth-fissure hazards along the Tucson Aqueduct alignment of the Central Arizona Project in Pinal and Pima Counties, Arizona Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: [Reston, Va.] : U.S. Department of the Interior, U.S. Geological Survey, 2002 Resource Type: Map Access & Availability: Loading