(See pictures: "Mississippi River at Its Worst ... a hydrologist with the U.S. Geological Survey (USGS). Still, the 1927 and 2011 Mississippi River floods remain just drops in the bucket ...

The raft used a variety of technologies to estimate the river flows, which is information used by various government, utility and private entities. A USGS raft with test equipement is towed beside ...

The USGS maintains more than 200 river and lake gages in Minnesota and ... The cameras generally capture one image per hour, but as waters rise in communities like Hastings this week, that ...

Garcia has reason to be concerned. She's lived directly beneath the dam for the last 60 years. According to the U.S. Geological Survey, the odds of a megastorm that could wipe out the Whittier ...

“While there are small changes in the orientation of shadows between the two images ... Geological Survey and National Park Service will be documenting the shifts in sediment along the river ...

Dark blue water flows through the dam without sediment, which is trapped upstream in the reservoir, one of an estimated 50,000 in the river basin. Credit NASA Landsat/U.S. Geological Survey.

The United States Geological Survey (USGS) and Dewberry, a privately held professional services firm, have jointly released a new topobathymetric lidar dataset for the Potomac River, extending from ...