1. Trends in recent historical and projected climate data for the Colorado River Basin and potential effects on groundwater availability Author/Creator: Tillman, Fred D., author Publication/Creation: Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2020 Format: Book Access & Availability: Loading
2. Geospatial datasets for assessing the effects of rangeland conditions on dissolved-solids yields in the upper Colorado River Basin Author/Creator: Tillman, Fred D., author Publication/Creation: Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2015 Format: Book Access & Availability: Loading
3. Preliminary groundwater flow-model of the basin-fill aquifers in Detrital, Hualapai, and Sacramento Valleys, Mohave County, northwestern Arizona Author/Creator: Tillman, Fred D., author Publication/Creation: Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2013 Format: Book Access & Availability: Loading