USGS has unveiled its most detailed national geologic map, giving the public a free, interactive way to explore underground ...

The U.S. Geological Survey is scanning 250,000 of its historic maps to put online. The U.S. Geological Survey (USGS) is nearly halfway through its release of more than 250,000 historical topographic ...

Nearly all of California has a more than 95% chance of a damaging earthquake in the next century, a new United States Geological Survey map shows. The new USGS National Seismic Hazard Model released ...

The United States Geological Survey has nearly completed its project to digitize over 200,000 topographical maps and create a free, searchable online archive The United States Geological Survey has ...

Any map-lovers looking to lose track of time for a few hours should say hello to the newly-arrived USGS Historical Topographic Map Explorer, which allows users access to a treasure trove of maps of ...

With the release of new US Topo maps for Illinois and South Dakota, the USGS has completed the second, three-year cycle of revising and updating electronic US Topo quadrangles. Since the project’s ...

The map showing the Elder's course was prepared using maps published by the United States Coast Survey and the U. S. Geological Survey. Geographer Henry Gannett traced the route onto an existing ...

According to ancient historians, gold was as common as sand in the kingdom of Egypt. By 3,200 BC public officers, called 'sementi', prospected for deposits and veins of gold to meet the demand of the ...

The U.S. Geological Survey has transformed how the nation understands its mineral wealth. The agency's 2025 assessment reveals $2.55 trillion in identified and undiscovered gold deposits beneath ...