United States Geological Survey

The United States Geological Survey (USGS, formerly simply Geological Survey) is a scientific agency of the United States government based in Reston, Virginia. USGS scientists study the landscape of the US, its natural resources, and the natural hazards that threaten it. USGS is a bureau of the United States Department of the Interior and is a fact-finding research organization with no regulatory responsibility.

Synonyms:
USGS