1. Flood hydrology near Flagstaff, Arizona Author/Creator: Hill, Gary W., author Publication/Creation: Tucson, Arizona : U.S. Geological Survey, 1988 Resource Type: Book Access & Availability: Loading
2. Geobiologic study of South Texas Outer Continental Shelf Author/Creator: Hill, Gary W., author Publication/Creation: Washington : United States Department of the Interior, Geological Survey, 1982 Resource Type: Book Access & Availability: Loading