In the summer, the U.S. Geological Survey began large-scale low-level airplane flights over the Upper Peninsula and northern ...

FILE - Mount Rainier (14,410 ft.) is the highest volcano and largest glaciated mountain in the contiguous United States and a ...

The U.S. Geological Survey plans to start low-level plane flights this month across eastern Iowa to update national maps and ...

Helicopters sporting long appendages are flying over some rural areas of the country, including here in Colorado. Many of ...

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

You can now get detailed topographic maps that put trails, rivers, and campgrounds front and center without paying a dime. The new 25K Recreational Topo series is built for people who plan trips on ...

AUSTIN, Texas (AP) — Texas Gov. Greg Abbott on Saturday promised to quickly sign off on a new, Republican-leaning congressional voting map gerrymandered to help the GOP maintain its slim majority in ...

Northwest Colorado and southwest Wyoming have an estimated 3 million barrels of oil and 666 billion cubic feet of gas that are recoverable, the United States Geological Survey (USGS) said in a recent ...