The "National Basic Geological Map," which records where specific rocks, strata, and faults are located across the nation, ...

This week, the U.S. Geological Survey and the University of Nebraska-Lincoln issued a new Nebraska map depicting the state’s land surface.

From Australia's remote deserts to the surface of Mars, geological mapping underpins how we understand landscapes, natural resources, and the processes that shape our planet and others beyond it. A ...

Nearly two dozen state geological surveys depend heavily on federal funds. A proposed budget cut could slow or stop key geologic mapping work. By Rebecca Dzombak Every spring for the last 31 years, ...