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Photographs taken by Oklahoma-Texas Water Science Center employees at local, national, and international project locations.

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USGS scientist Charles Hartmann installs a storm-tide sensor in preparation for Hurricane Harvey in Carancahua Bay, Texas. 
USGS scientist installs a storm-tide sensor
USGS scientist installs a storm-tide sensor
USGS scientist installs a storm-tide sensor

USGS scientist Charles Hartmann installs a storm-tide sensor in preparation for Hurricane Harvey in Carancahua Bay, Texas. 

USGS scientist Charles Hartmann installs a storm-tide sensor in preparation for Hurricane Harvey in Carancahua Bay, Texas. 

USGS real-time water quality monitoring platform on Lake Houston
USGS real-time water quality monitoring platform on Lake Houston
USGS real-time water quality monitoring platform on Lake Houston
USGS real-time water quality monitoring platform on Lake Houston

Photo of a USGS real-time water quality monitoring platform on Lake Houston. 

Houston Harvey Flood
Houston Harvey Flood
Houston Harvey Flood
Houston Harvey Flood

This was taken in Houston during the hurricane Harvey in 2017 for Oklahoma-Texas Water Science Center (Socio-Hydrology Team)

This was taken in Houston during the hurricane Harvey in 2017 for Oklahoma-Texas Water Science Center (Socio-Hydrology Team)

Loriolia texana fossils
Marker bed known as the Loriolia Bed
Marker bed known as the Loriolia Bed
Marker bed known as the Loriolia Bed

Marker bed known as the Loriolia Bed, found 80 feet below the contact of the Glen Rose Limestone and the Kainer Formation. The photograph was taken north of Farm to Market Road (FM) 195, approximately 1,500 feet west of the intersection of FM 220 and FM 195. The Loriolia texana fossils are identified by white arrows (photograph by Allan K. Clark, U.S.

Marker bed known as the Loriolia Bed, found 80 feet below the contact of the Glen Rose Limestone and the Kainer Formation. The photograph was taken north of Farm to Market Road (FM) 195, approximately 1,500 feet west of the intersection of FM 220 and FM 195. The Loriolia texana fossils are identified by white arrows (photograph by Allan K. Clark, U.S.

Tonkawa Geoprobing 052517
Tonkawa Geoprobing 052517
Tonkawa Geoprobing 052517
Tonkawa Geoprobing 052517

Tonkawa Geoprobing 052517

Chikaskia River at Tonkawa, OK
Chikaskia River at Tonkawa, OK
Chikaskia River at Tonkawa, OK
Chikaskia River at Tonkawa, OK

Chikaskia River at Tonkawa, OK

Geoprobe fieldwork at Tonkawa, OK
Geoprobe fieldwork at Tonkawa, OK
Geoprobe fieldwork at Tonkawa, OK
Geoprobe fieldwork at Tonkawa, OK

Geoprobe fieldwork at Tonkawa, OK

Groundwater-monitoring well in Osage County, Oklahoma.
Groundwater-monitoring well in Osage County, Oklahoma.
Groundwater-monitoring well in Osage County, Oklahoma.
Groundwater-monitoring well in Osage County, Oklahoma.

Groundwater-monitoring well and telemetry equipment in Osage County, Oklahoma

Pine Creek near Moyer, OK
Pine Creek near Moyer, OK
Pine Creek near Moyer, OK
Pine Creek near Moyer, OK

Pine Creek near Moyer, OK

Tuner Falls, OK
Tuner Falls, OK
Tuner Falls, OK
Tuner Falls, OK

Tuner Falls, OK

USGS scientists conduct passive seismic study in the Washita Reach 1 study area.
USGS scientists conduct passive seismic study in the Washita Reach 1
USGS scientists conduct passive seismic study in the Washita Reach 1
USGS scientists conduct passive seismic study in the Washita Reach 1

USGS scientists conduct passive seismic study in the Washita Reach 1 study area.

Irrigation in Washita River area
Irrigation in Washita River area
Irrigation in Washita River area
Irrigation in Washita River area

Irrigation in Washita River area

Washita River Reach 1 field area
Washita River Reach 1 field area
Washita River Reach 1 field area
Washita River Reach 1 field area

Washita River Reach 1 field area

Franklin Mountains near the Hueco Bolson
Franklin Mountains near the Hueco Bolson study area near El Paso, Tex.
Franklin Mountains near the Hueco Bolson study area near El Paso, Tex.
Franklin Mountains near the Hueco Bolson study area near El Paso, Tex.

Franklin Mountains near the Hueco Bolson study area near El Paso, Texas, September 2016. Photograph by Monica Langhorst, U.S. Geological Survey.

U.S. Geological Survey Scientific Investigations Report 2020–5056

Franklin Mountains near the Hueco Bolson study area near El Paso, Texas, September 2016. Photograph by Monica Langhorst, U.S. Geological Survey.

U.S. Geological Survey Scientific Investigations Report 2020–5056

U.S. Geological Survey streamflow-gaging station 08111000 Navasota River near Bryan, Texas, upstream from U.S. Hwy. 190.
USGS station 08111000 Navasota River near Bryan, Texas
USGS station 08111000 Navasota River near Bryan, Texas
USGS station 08111000 Navasota River near Bryan, Texas

U.S. Geological Survey streamflow-gaging station 08111000 Navasota River near Bryan, Texas, looking upstream from U.S. Highway 190 bridge, August 27, 1975.

SIR 2009–5174

U.S. Geological Survey streamflow-gaging station 08111000 Navasota River near Bryan, Texas, looking upstream from U.S. Highway 190 bridge, August 27, 1975.

SIR 2009–5174

Photo showing a corn farm in northeast Iowa.
Farm in northeast Iowa
Farm in northeast Iowa
Farm in northeast Iowa

A corn farm in northeast Iowa. A new USGS report shows that drought periods followed by rainfall caused nitrate levels to increase to the highest ever measured in some Midwest streams during a 2013 study. 

A corn farm in northeast Iowa. A new USGS report shows that drought periods followed by rainfall caused nitrate levels to increase to the highest ever measured in some Midwest streams during a 2013 study. 

Photo showing cows feeding on a farm in southern Wisconsin. 
Farm in southern Wisconsin
Farm in southern Wisconsin
Farm in southern Wisconsin

Cows feed on a farm in southern Wisconsin. A new USGS report shows that drought periods followed by rainfall caused nitrate levels to increase to the highest ever measured in some Midwest streams during a 2013 study. 

Cows feed on a farm in southern Wisconsin. A new USGS report shows that drought periods followed by rainfall caused nitrate levels to increase to the highest ever measured in some Midwest streams during a 2013 study. 

Photo showing a small stream flowing through corn fields in northern Indiana.
Small stream in northern Indiana
Small stream in northern Indiana
Small stream in northern Indiana

A small stream flows through corn fields in northern Indiana. A new USGS report shows that drought periods followed by rainfall caused nitrate levels to increase to the highest ever measured in some Midwest streams during a 2013 study. 

A small stream flows through corn fields in northern Indiana. A new USGS report shows that drought periods followed by rainfall caused nitrate levels to increase to the highest ever measured in some Midwest streams during a 2013 study. 

Photo showing an irrigation system watering crops in southern Wisconsin.
Farm in southern Wisconsin
Farm in southern Wisconsin
Farm in southern Wisconsin

An irrigation system waters crops in southern Wisconsin. A new USGS report shows that drought periods followed by rainfall caused nitrate levels to increase to the highest ever measured in some Midwest streams during a 2013 study. 

An irrigation system waters crops in southern Wisconsin. A new USGS report shows that drought periods followed by rainfall caused nitrate levels to increase to the highest ever measured in some Midwest streams during a 2013 study. 

Photo of USGS scientist installing a temporary streamgage on the Brazos River near West Columbia, Texas.
Temporary Streamgage on Brazos River
Temporary Streamgage on Brazos River
Temporary Streamgage on Brazos River

USGS scientist Jody Avant installs a temporary streamgage on the Brazos River near West Columbia, Texas. Rapidly deployable streamgages can be installed temporarily to provide emergency managers with additional information needed to help protect public safety.

USGS scientist Jody Avant installs a temporary streamgage on the Brazos River near West Columbia, Texas. Rapidly deployable streamgages can be installed temporarily to provide emergency managers with additional information needed to help protect public safety.