The Green River in eastern Utah once carved soft sediment into meanders on a floodplain. Then the land and mountains rose and the river dug deep, preserving those meanders in stone.
Published Mar 17, 2014
he largest tributary of the Colorado River between Lake Powell and the Grand Canyon, the Paria River flows southeast from its headwaters in southernmost Utah to join the Colorado River between Page, Arizona, and Marble Canyon. The Paria River provides spectacular scenery, and is known for the very narrow “slot” canyons that it cuts through the layered rocks of the Colorado Plateau.
Published Jun 23, 2008
The Salmon River in Idaho, one of the longest free-flowing rivers in the United States, rushes through a geologic wonderland of wooded ridges, eroded bluffs, and stone towers and crags.
Published Jul 22, 2020
Man and nature have both altered the course of a southwestern U.S. river.
Published May 21, 2012
Black Canyon of the Gunnison National Park is a small park that encompasses the steep-walled canyons of the Gunnison River, which drains snowmelt from the Rocky Mountains in western Colorado.
Published Oct 2, 2005
The geology of the Grand Canyon has amazed visitors since John Wesley Powell first navigated the Colorado River in 1869. Now the Landsat Data Continuity Mission (LDCM) offers a new view of the gorge.
Published Apr 20, 2013
Trees have long been cherished here for timber and for the colors they bring to “the Fall Rhapsody.”
Published Oct 24, 2020
Acquired May 1, 2011, this natural-color image shows the James River completely filling the river valley near Jamesville, South Dakota.
Published May 3, 2011
British Columbia's longest river delivers sediment and nutrients to the Strait of Georgia.
Published Jan 7, 2015
