Souris River above Minot, North Dakota.
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Souris River
Souris River above Minot, North Dakota.
Flathead Catfish
Biologist holding a flathead catfish caught by trammel net in the Lower Missouri River.
Biologist holding a flathead catfish caught by trammel net in the Lower Missouri River.
Retrieving a Trotline on the Lower Missouri River
Retrieving a trotline on the Lower Missouri River in March 2011.
Retrieving a trotline on the Lower Missouri River in March 2011.
Oklahoma Groundwater Efforts
Hydrogeologists examining the Garber-Wellington aquifer and Hennessey Shale confining unit contact near Arcadia Lake, Oklahoma.
Hydrogeologists examining the Garber-Wellington aquifer and Hennessey Shale confining unit contact near Arcadia Lake, Oklahoma.
Open Water
Open weir at Apple Creek near Menoken, North Dakota. Flow is 36.7 cubic feet per second.
Open weir at Apple Creek near Menoken, North Dakota. Flow is 36.7 cubic feet per second.
North New River Station
An excessive amount of weeds flows down North New River.
An excessive amount of weeds flows down North New River.
Measuring a Cross-Sectional Creek Profile
Scientist measures the profile of a tidal creek at low tide. Note mudflat in background.
Scientist measures the profile of a tidal creek at low tide. Note mudflat in background.
Tidal Creek Salt Marsh Recon
Conducting a reconnaissance of a salt marsh-lined tidal creek.
Conducting a reconnaissance of a salt marsh-lined tidal creek.
Deploying Lake Datalogger in a Prototype
Deploying a datalogger in the middle of Harney Lake.
Deploying a datalogger in the middle of Harney Lake.
Spring Rains
Spring Rain at Hart Mountain.
Spring Rain at Hart Mountain.
Storm Coming
Storm clouds moving in over the park.
Storm clouds moving in over the park.
Research on the Columbia River
USGS Oregon Water Science Center research vessel, used for lower Columbia River estuary water quality/contaminant and aquatic ecosystem health.
USGS Oregon Water Science Center research vessel, used for lower Columbia River estuary water quality/contaminant and aquatic ecosystem health.
Veazie Dam
This photo of the Veazie Dam on the Penobscot River was taken just before the dam was breached for removal. This perspective shows the challenge the dam posed to wildlife navigating the river.
This photo of the Veazie Dam on the Penobscot River was taken just before the dam was breached for removal. This perspective shows the challenge the dam posed to wildlife navigating the river.
Mendenhall Glacier
Comparison of satellite images of Mendenhall Glacier (Left - Landsat 5, Aug. 17, 1984; Right - Landsat 8, May 16, 2014).
Comparison of satellite images of Mendenhall Glacier (Left - Landsat 5, Aug. 17, 1984; Right - Landsat 8, May 16, 2014).
Bois de Sioux River
The Bois de Sioux river channel near White Rock, SD.
The Bois de Sioux river channel near White Rock, SD.
Bois de Sioux River
The Bois de Sioux river channel near White Rock, SD.
The Bois de Sioux river channel near White Rock, SD.
USGS Employee At Work
Mike Sabatino (volunteer for science) wires a weather station in the Shenandoah National Park
Mike Sabatino (volunteer for science) wires a weather station in the Shenandoah National Park
USGS Employee At Work
Christian Bongard collects data from a weather station in the Shenandoah National Park.
Christian Bongard collects data from a weather station in the Shenandoah National Park.
Moraine Lake
Picture of Moraine Lake taken from the south face of South Sister in the Three Sisters Wilderness Area.
Picture of Moraine Lake taken from the south face of South Sister in the Three Sisters Wilderness Area.
Acidifying a Drinking Water Quality Sample for MTBE Analysis
Acidifying a Drinking Water Quality Sample for MTBE AnalysisSample collected from Madison Springs Hut in the White Mountains (~ 5,000 ft above sea level).
Acidifying a Drinking Water Quality Sample for MTBE Analysis
Acidifying a Drinking Water Quality Sample for MTBE AnalysisSample collected from Madison Springs Hut in the White Mountains (~ 5,000 ft above sea level).
Streamgager's Shadow
Self-portrait of hydrologic technician. Streamgaging is an important facet of the USGS.
Self-portrait of hydrologic technician. Streamgaging is an important facet of the USGS.