Images

A photo from August 2013 after removal of the Great Works Dam, showing the old concrete, wood and stone cribbing upstream of where the dam used to be.

This photo was taken at USGS gaging station 01055000 on the Swift River near Roxbury, Maine. The falls is most commonly referred to as Swift River Falls and has many potholes and scours that demonstrate the impressive ability of water to errode rock.

An aerial view of subsiding marshes in the Mississippi River Delta. An aerial view of subsiding marshes in the Mississippi River Delta. This region contains vast areas of marshes, swamps, and barrier islands—important habitat for wildlife, as nursery grounds for marine life, and as protective buffers against storms and hurricanes.

Storm clouds over the Missouri River.

Performing double duties of tracking and collecting acoustic images, Chad Vishy operates one of his three computers and five screens necessary to simultaneously collect this variety of data.

Dredging the entrance canal to the Caloosahatcee River in Moore Haven, FL.

A reptilian audience watches as a discharge measurement is made.

The Coachella Canal is an aqueduct that diverts water from the Colorado River to the Coachella Valley, making possible the extensive agriculture production that drives the economy in this arid region of the United States.

Photo taken from above the Lago Icacos Damsite.

The Hell Creek and underlying Fox Hills Formations are present at the land surface along the margins of the Williston Basin, but otherwise are the deepest bedrock aquifers that are commonly used in the basin.

The island was severed by a breach that may have developed as the back bay drained excess water following the peak of the storm surge, although the breach could have been initiated by waves and surge from the Gulf side. More analyses are required to determine the forcing processes.

Old dug well with granite top in front yard of home; currently uses drilled well.