Geologic Maps

The USGS and its partners, the State Geological Surveys, have since the 1800s been producing high quality, standardized geologic maps of the Nation. Check out the National Geologic Map Database (NGMDB), which is charged with building a National archive of these maps and related geoscience reports.

Browse NGMDB Maps
Filter Total Items: 20
Date published: July 3, 2018

Map and Description of the Active Part of the Slumgullion Landslide, Hinsdale County, Colorado

By Robert W. Fleming and Rex L. Baum, U.S. Geological Survey, and Marco Giardino, Consiglio Nazionale Delle Ricerche, Italy

Date published: July 3, 2018

Maps showing locations of damaging landslides caused by El Niño rainstorms, winter season 1997-98, San Francisco Bay region, California

Jonathan W. Godt, Editor.

Pamphlet to accompany Miscellaneous Field Studies Maps MF-2325-A-J

Date published: June 27, 2018

Bathymetry of the Waters Surrounding the Elizabeth Islands, Massachusetts

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Image showing the bathymetry of the southern Gulf of Maine with the Massachusetts coastal zone boundary outlined in grey. The images on the right display how the geophysical and sample data are combined to create an interpretation of seafloor geology

(Public domain.)

Date published: March 12, 2018

Jemez Mountains Debris-flow Map

Scientific Investigations Report 2016-5101 - Jemez Mtns Debris-flow Interactive Map

Potential postwildfire debris-flow hazards—A prewildfire evaluation for the Jemez Mountains, north-central New Mexico
Scientific Investigations Report 2016-5101 - Publication


Date published: March 12, 2018

The National Map

The National Map is a collaborative effort among the USGS and other Federal, State, and local partners to improve and deliver topographic information for the Nation. It has many uses ranging from recreation to scientific analysis to emergency response. The National Map is easily accessible for display on the Web, as products and services, and as downloadable data.

Date published: September 19, 2017

Water Quality Monitoring in the Lower Kansas River Basin

A Map of Water-Quality Monitoring in the Lower Kansas River Basin.

Date published: September 18, 2017

Milford Lake

Map of Milford Lake in Kansas with surface water gages.

Date published: September 20, 2016

Virginia Beach Groundwater Study Maps

Virginia Beach Groundwater Study Maps

Date published: July 13, 2016

North Carolina Real-Time Map

Real-time water data maps for North Carolina