Images

USGS scientist Monica Langhorst measures gage height with a wire weight at Onion Creek at U.S. Highway 183 in Austin, TX.

USGS scientists Craig Weiss and Michael Scheider make a streamflow measurement at Onion Creek at U.S. Highway 183 in Austin, TX.

USGS scientist Monica Langhorst measures gage height with a wire weight at Onion Creek at U.S. Highway 183 in Austin, TX.

Sand Creek in Osage County, OK

USGS scientist Mark Warzecha makes a streamflow measurement with Acoustic Doppler Current Profiler downstream of a USGS streamgage station on the Blanco River at Interstate 35. The streamgage is not currently accessible, so a measurement is being made at the safest downstream location. 

Collection of a suspended-sediment sample by hydrologic technicians at U.S. Geological Survey station 08185000 Cibolo Creek at Selma, Texas, on May 25, 2013.

Two of the main spring discharge points of Comal springs.

A new website now provides important information about streamflow in the Comal and San Marcos Rivers and springflow at Comal and San Marcos Springs.

Canton Lake - February 17, 2013

Drought conditions at Canton Lake, Oklahoma.

Stillwater Creek in drought conditions

Drought conditions at Lake Lone Chimney, Pawnee County, Oklahoma.

Shoreline of Lake Altus.

North Fork Red River below Lake Altus, HWY 44.

Faulting in limestone outcrop downstream from where Greenwood Creek flows into the Colorado River, October 31, 2012 (photograph by Jennifer Wilson, U.S. Geological Survey).

SIR 2015–5098

Seeps along limestone outcrop downstream from where Jim John Creek flows into the Colorado River, October 31, 2012 (photograph by Jennifer Wilson, U.S. Geological Survey).

SIR 2015–5098

Travertine deposits near site 4 (Post Oak Falls near Tow, Texas, October 31, 2012) (photograph by Jennifer Wilson, U.S. Geological Survey).

SIR 2015–5098

Cimarron River at Coyle, Oklahoma.

Sam Rayburn Lake, September 2012. Photograph by David LaRue, U.S. Army Corps of Engineers.

SIR 2012–5202

Granger Lake, September 2012. Photograph by Ben Bohac, U.S. Army Corps of Engineers.

SIR 2012–5202

Exposed Austin Group in road cut excavation located on south side of U.S. Highway 90 and approximately midway between Sabinal and Knippa Texas, eastern Uvalde County, Tex. Photograph taken May 29, 2012.

SIR 2013–5149

Map of historic and current sage-grouse range in 2000, provided as a download from the old USGS Sagemap website.