1. Heathsville quadrangle, Virginia--Maryland : 7.5-minute series Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: [Reston, Va.] : U.S. Department of the Interior, U.S. Geological Survey, 2011- Resource Type: Map Access & Availability: Loading
2. Hampton quadrangle, Virginia : 7.5-minute series Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: [Reston, Va.] : U.S. Department of the Interior, U.S. Geological Survey, 2011- Resource Type: Map Access & Availability: Loading
3. Hazards data distribution system (HDDS) explorer Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: [Reston, Va.] : USGS, [2014]- Resource Type: Map Access & Availability: Loading
4. High-resolution airborne geophysical survey of the Shellmound, Mississippi area Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: [Reston, Va.] : U.S. Department of the Interior, U.S. Geological Survey, 2020 Resource Type: Map Access & Availability: Loading
5. Hydrogeologic units, contour maps, and cross sections of the Boone and Roubidoux Aquifers, northeastern Oklahoma, 2020 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: [Reston, Va.] : U.S. Department of the Interior, U.S. Geological Survey, 2020 Resource Type: Map Access & Availability: Loading
6. Historical atlas of Central Europe Author/Creator: Magocsi, Paul R., author Publication/Creation: Toronto : University of Toronto Press, 2018 Resource Type: Map Edition: Third revised and expanded edition. Access & Availability: Loading
7. Hydrogeologic characteristics and geospatial analysis of water-table changes in the alluvium of the lower Arkansas River Valley, southeastern Colorado, 2002, 2008, and 2015 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: [Reston, Va.] : U.S. Department of the Interior, U.S. Geological Survey, 2017 Resource Type: Map Access & Availability: Loading
8. Hydrogeologic framework and geologic structure of the Floridan aquifer system and intermediate confining unit in the Lake Okeechobee system, Florida Author/Creator: Reese, Ronald S., cartographer Publication/Creation: [Reston, Va.] : U.S. Department of the Interior, U.S. Geological Survey, 2014 Resource Type: Map Access & Availability: Loading
9. Historical bathymetry and bathymetric change in the Alabama-Mississippi coastal region, 1847-2009 Author/Creator: Buster, Noreen A. Publication/Creation: Reston, Va. : U.S. Dept. of the Interior, U.S. Geological Survey, 2011 Resource Type: Map Access & Availability: Loading
10. Hydrogeologic data update for the stratified-drift aquifer in the Sprout and Fishkill Creek valleys, Dutchess County, New York Author/Creator: Reynolds, Richard J. Publication/Creation: [Reston, Va.] : U.S. Dept., of the Interior, U.S. Geological Survey, 2010 Resource Type: Map Access & Availability: Loading