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Photographs taken by Oklahoma-Texas Water Science Center employees at local, national, and international project locations.
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.
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.
Drought conditions at Lake Lone Chimney, Pawnee County, Oklahoma.
Shoreline of Lake Altus.
Shoreline of Lake Altus.
North Fork Red River below Lake Altus, HWY 44.
North Fork Red River below Lake Altus, HWY 44.
Aerial view (from helicopter) of Medina Lake during the 2012 drought.
Aerial view (from helicopter) of Medina Lake during the 2012 drought.
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
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
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
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.
Cimarron River at Coyle, Oklahoma.
Sam Rayburn Lake, September 2012. Photograph by David LaRue, U.S. Army Corps of Engineers.
SIR 2012–5202
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
Granger Lake, September 2012. Photograph by Ben Bohac, U.S. Army Corps of Engineers.
SIR 2012–5202
Cave in fractured Austin Group rock located approximately 9.3 miles northeast of city of Uvalde in Uvalde County, Texas. Photograph taken August 7, 2012, by Robert R. Morris.
SIR 2013–5149
Cave in fractured Austin Group rock located approximately 9.3 miles northeast of city of Uvalde in Uvalde County, Texas. Photograph taken August 7, 2012, by Robert R. Morris.
SIR 2013–5149
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
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
Sandstone ledges in the Escondido Formation located approximately 7 miles south-southeast of the community of D’Hanis in Medina County, Texas. Photograph taken April 13, 2012, by Robert R. Morris.
SIR 2013–5149
Sandstone ledges in the Escondido Formation located approximately 7 miles south-southeast of the community of D’Hanis in Medina County, Texas. Photograph taken April 13, 2012, by Robert R. Morris.
SIR 2013–5149
Pecos River at the High Bridge on Hwy 90, TX - downstream view. Pecos River Watershed Salinity Study. 2011 and 2012 field trip, Texas.
Pecos River at the High Bridge on Hwy 90, TX - downstream view. Pecos River Watershed Salinity Study. 2011 and 2012 field trip, Texas.
Pecos River at the High Bridge on Hwy 90, TX - shelter. Pecos River Watershed Salinity Study. 2011 and 2012 field trip, Texas.
Pecos River at the High Bridge on Hwy 90, TX - shelter. Pecos River Watershed Salinity Study. 2011 and 2012 field trip, Texas.
Pecos River at the Weir Dam near Hwy 90, TX - dam. Pecos River Watershed Salinity Study. 2011 and 2012 field trip, Texas.
Pecos River at the Weir Dam near Hwy 90, TX - dam. Pecos River Watershed Salinity Study. 2011 and 2012 field trip, Texas.
Pecos River at the Weir Dam near Hwy 90, TX - downstream view. Pecos River Watershed Salinity Study. 2011 and 2012 field trip, Texas.
Pecos River at the Weir Dam near Hwy 90, TX - downstream view. Pecos River Watershed Salinity Study. 2011 and 2012 field trip, Texas.