1. Land subsidence and aquifer-system compaction in the Tucson Active Management Area, south-central Arizona, 1987-2005 Author/Creator: Carruth, R. L. Publication/Creation: Reston, Va. : U.S. Dept. of the Interior, U.S. Geological Survey, 2007 Resource Type: Book Access & Availability: Loading
2. Ground-water resources of Saipan, Commonwealth of the Northern Mariana Islands Author/Creator: Carruth, R. L. Publication/Creation: [Reston, Va.] : U.S. Dept. of the Interior, U.S. Geological Survey, [2003] Resource Type: Map Access & Availability: Loading