
National Geologic Map Database - USGS
2 days ago · U.S. Department of the Interior | U.S. Geological Survey Supported by the National Cooperative Geologic Mapping Program Page Contact Information: Personnel Page Last …
State Geologic Map Compilation
Apr 23, 2025 · This web map portrays the U.S. Geological Survey's (USGS) State Geologic Map Compilation (SGMC) geodatabase of the conterminous United States. The SGMC represents …
Geologic map of the United States’ surface – FlowingData
Dec 5, 2025 · The United States Geological Survey published composite maps and data for the country's geological makeup. The Earth’s Surface geology layer depicts geologic units …
Maps | U.S. Geological Survey - USGS.gov
Our programs produce accurate geologic maps and 3-D geologic frameworks that provide critical data for sustaining and improving the quality of life and economic vitality of the Nation.
Macrostrat
With over 225 maps from data providers around the world across every scale, Macrostrat is the world's largest homogenized geologic map database.
Geological map - Wikipedia
A geological map or geologic map is a special-purpose map made to show various geological features. Rock units or geologic strata are shown by color or symbols.
The National Map - 3D Viewer
Explore the National Map's 3D Viewer for interactive mapping, elevation profiles, and range ring centroids.
The National Map Viewer | U.S. Geological Survey - USGS.gov
Nov 3, 2022 · Use The National Map Viewer to explore GIS data, see availability of USGS topographic maps, and create your own web map.
Cooperative National Geologic Map | NGMDB
Explore the Cooperative National Geologic Map, a unified view of our Nation's geology, with interactive layers and geologic data.
What is a Geologic Map?
Geologic maps represent the distribution of different types of rock and surficial deposits, as well as locations of geologic structures such as faults and folds.