Collecting a groundwater-quality sample from a public-supply well. This well is being sampled for water-quality constituents as part of the NAWQA Enhanced Trend Network project.
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Groundwater sample collection
Collecting a groundwater-quality sample from a public-supply well. This well is being sampled for water-quality constituents as part of the NAWQA Enhanced Trend Network project.
Collecting a sample for analysis of groundwater quality
Collecting a sample for analysis of groundwater qualityThis well is being sampled for water-quality constituents as part of the NAWQA Enhanced Trend Network project.
Collecting a sample for analysis of groundwater quality
Collecting a sample for analysis of groundwater qualityThis well is being sampled for water-quality constituents as part of the NAWQA Enhanced Trend Network project.
Blue-winged Teal flying
A Blue-winged Teal flying over an sampling area in Texas. Researchers were taking genetic samples for the Alaska Science Center.
A Blue-winged Teal flying over an sampling area in Texas. Researchers were taking genetic samples for the Alaska Science Center.
USGS streamgage measures flooding in the lower Trinity River
USGS streamgage measures flooding in the lower Trinity RiverA USGS streamgage measures flooding in the lower Trinity River, Texas.
USGS streamgage measures flooding in the lower Trinity River
USGS streamgage measures flooding in the lower Trinity RiverA USGS streamgage measures flooding in the lower Trinity River, Texas.
A chain-link fence encloses a public-supply well.
A large-volume public supply well in San Antonio, Texas. This well is being sampled for water-quality constituents as part of the NAWQA Enhanced Trend Network project.
A large-volume public supply well in San Antonio, Texas. This well is being sampled for water-quality constituents as part of the NAWQA Enhanced Trend Network project.
USGS Streamgage in Richmond, Texas
A modern 21st century-style streamgage on the Brazos River in Richmond, Texas.
A modern 21st century-style streamgage on the Brazos River in Richmond, Texas.
Oklahoma windmill at sunset
Oklahoma windmill at sunset
Salt Fork of the Red River off HWY 6
Salt Fork of the Red River off HWY 6
Salt Fork Red River along HWY 6
Salt Fork Red River along HWY 6
Previously active volcano site in Texas
A site where volcanoes used to be active in the Chinati Mountains near Presidio, Texas.
A site where volcanoes used to be active in the Chinati Mountains near Presidio, Texas.
USGS scientist measuring flow downstream of Comal Springs
USGS scientist measuring flow downstream of Comal SpringsUSGS scientist Vidal Mendoza measures flow downstream of the Comal Springs, Texas.
A new website now provides important information about streamflow in the Comal and San Marcos Rivers and springflow at Comal and San Marcos Springs.
USGS scientist measuring flow downstream of Comal Springs
USGS scientist measuring flow downstream of Comal SpringsUSGS scientist Vidal Mendoza measures flow downstream of the Comal Springs, Texas.
A new website now provides important information about streamflow in the Comal and San Marcos Rivers and springflow at Comal and San Marcos Springs.
A USGS streamflow gauge station in the lower Trinity River, Texas.
A USGS streamflow gauge station in the lower Trinity River, Texas.A USGS streamflow gauge station in the lower Trinity River, Texas.
A USGS streamflow gauge station in the lower Trinity River, Texas.
A USGS streamflow gauge station in the lower Trinity River, Texas.A USGS streamflow gauge station in the lower Trinity River, Texas.
A USGS streamflow gauge station in the lower Trinity River, Texas.
A USGS streamflow gauge station in the lower Trinity River, Texas.A USGS streamflow gauge station in the lower Trinity River, Texas.
A USGS streamflow gauge station in the lower Trinity River, Texas.
A USGS streamflow gauge station in the lower Trinity River, Texas.A USGS streamflow gauge station in the lower Trinity River, Texas.
Panoramic view of a chat pile on the St. Joe property, Picher, Oklahom
Panoramic view of a chat pile on the St. Joe property, Picher, OklahomPanoramic view of a chat pile on the St. Joe property, Picher, Oklahoma, looking east.
Panoramic view of a chat pile on the St. Joe property, Picher, Oklahom
Panoramic view of a chat pile on the St. Joe property, Picher, OklahomPanoramic view of a chat pile on the St. Joe property, Picher, Oklahoma, looking east.
Collecting a sample of groundwater
This well is being sampled for water-quality constituents as part of the NAWQA Enhanced Trend Network project.
This well is being sampled for water-quality constituents as part of the NAWQA Enhanced Trend Network project.
Set up to sample groundwater quality
This well is being sampled for water-quality constituents as part of the NAWQA Enhanced Trend Network project.
This well is being sampled for water-quality constituents as part of the NAWQA Enhanced Trend Network project.
Large-volume public supply well
A large-volume public supply well in San Antonio, Texas. This well is being sampled for water-quality constituents as part of the NAWQA Enhanced Trend Network project.
A large-volume public supply well in San Antonio, Texas. This well is being sampled for water-quality constituents as part of the NAWQA Enhanced Trend Network project.
Collecting a groundwater-quality sample
This well is being sampled for water-quality constituents as part of the NAWQA Enhanced Trend Network project.
This well is being sampled for water-quality constituents as part of the NAWQA Enhanced Trend Network project.
Drilling near Hominy Creek in the Osage Nation, OK
Drilling near Hominy Creek in the Osage Nation, OKDrilling near Hominy Creek in the Osage Nation, OK.
Drilling near Hominy Creek in the Osage Nation, OK
Drilling near Hominy Creek in the Osage Nation, OKDrilling near Hominy Creek in the Osage Nation, OK.
USGS Responds to Near Record Flooding in Central Texas
USGS Responds to Near Record Flooding in Central TexasUSGS scientist Monica Langhorst measures gage height with a wire weight at Onion Creek at U.S. Highway 183 in Austin, TX.
USGS Responds to Near Record Flooding in Central Texas
USGS Responds to Near Record Flooding in Central TexasUSGS scientist Monica Langhorst measures gage height with a wire weight at Onion Creek at U.S. Highway 183 in Austin, TX.
USGS Responds to Near Record Flooding in Central Texas
USGS Responds to Near Record Flooding in Central TexasUSGS scientists Craig Weiss and Michael Scheider make a streamflow measurement at Onion Creek at U.S. Highway 183 in Austin, TX.
USGS Responds to Near Record Flooding in Central Texas
USGS Responds to Near Record Flooding in Central TexasUSGS scientists Craig Weiss and Michael Scheider make a streamflow measurement at Onion Creek at U.S. Highway 183 in Austin, TX.