USGS Grand Canyon B-roll
USGS b-roll footage of the Grand Canyon...

Glen Canyon Time-Lapse (River Mile 3)
Image animations surrounding the high-flow experiment on the Colorado River in the Grand Canyon....

Glen Canyon Time-Lapse (River Mile 45)
Image animations surrounding the high-flow experiment on the Colorado River in the Grand Canyon....

Opening a Dam to Study and Improve Resources in the Grand Canyon
Dams don't help just by holding water back. By opening Glen Canyon Dam's jet tubes for a high flow experiment—scheduled to take place on March 5—scientists can study and improve resources in Grand Canyon National Park. Learn more by listening to our interview with John Hamill, USGS Grand...

Marmot Dam Removal, Sandy River, Oregon: Time-Lapse
The USGS put together time-lapse video of the breach of the Marmot Dam, on the Sandy River in Oregon. Hydrology experts from the USGS Oregon Water Science Center and the USGS Cascades Volcano Observatory are studying this removal, the largest planned removal in the Pacific Northwest thus far. Rea...