Skip to main content
U.S. flag

An official website of the United States government

National geologic map illustration

By National Cooperative Geologic Mapping Program 2021 (approx.)
National geologic map of the U.S.
Original Thumbnail Medium

Detailed Description

Depiction of a national geologic map of the U.S. used as an illustration for EDMAP and STATEMAP outreach

Sources/Usage

Public Domain.