Groundwater Sampling on Long Island
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Groundwater Sampling on Long Island
Groundwater Sampling on Long Island
Core from 2" well drilled into Wasatch Formation, Big Piney, WY
Core from 2" well drilled into Wasatch Formation, Big Piney, WY
Core from 2" well drilled into Wasatch Formation, Big Piney, WY
San Angelo Streamgage
New streamgage on the South Concho river above Twin Buttes. This new gage will provide resource managers with critical streamflow information.
New streamgage on the South Concho river above Twin Buttes. This new gage will provide resource managers with critical streamflow information.
USGS Documents 2015 Drought
A hydrologic technician from the USGS Idaho Water Science Center measures streamflow in Fall Creek near Anderson Ranch Dam in southwestern Idaho. The USGS is collecting data at hundreds of sites on rivers and streams in six western states to document the 2015 drought.
A hydrologic technician from the USGS Idaho Water Science Center measures streamflow in Fall Creek near Anderson Ranch Dam in southwestern Idaho. The USGS is collecting data at hundreds of sites on rivers and streams in six western states to document the 2015 drought.
Scientist deploying a silicone passive sampler in Cerro Gordo County
Scientist deploying a silicone passive sampler near a corn field in Cerro Gordo County, Iowa. The science team used the passive samplers to quantify pesticide exposure in wetland, grassland, and agricultural habitats.
Scientist deploying a silicone passive sampler near a corn field in Cerro Gordo County, Iowa. The science team used the passive samplers to quantify pesticide exposure in wetland, grassland, and agricultural habitats.
Animas River at A72
Animas River downstream from Silverton, Colorado showing cableway for USGS stream gage at site A72 (USGS site ID 09359020). Latitude 37.789964, Longitude -107.667394.
Animas River downstream from Silverton, Colorado showing cableway for USGS stream gage at site A72 (USGS site ID 09359020). Latitude 37.789964, Longitude -107.667394.
Animas River Downstream
Animas River downstream from Silverton Colorado, looking upstream toward town of Silverton. Confluence of Animas River and Mineral Creek near center of photograph. Confluence of Cement Creek and Animas River near upstream area of the town of Silverton. Photo taken from Highway 550 heading to Durango.
Animas River downstream from Silverton Colorado, looking upstream toward town of Silverton. Confluence of Animas River and Mineral Creek near center of photograph. Confluence of Cement Creek and Animas River near upstream area of the town of Silverton. Photo taken from Highway 550 heading to Durango.
Animas River Sample
Animas River downstream from Silverton, Colorado, showing streambed sediment collected from right bank backwater area in scoop, and from left bank cobble area (in jar) near USGS stream gage at site A72 (USGS site ID 09359020). Latitude 37.789964, Longitude -107.667394.
Animas River downstream from Silverton, Colorado, showing streambed sediment collected from right bank backwater area in scoop, and from left bank cobble area (in jar) near USGS stream gage at site A72 (USGS site ID 09359020). Latitude 37.789964, Longitude -107.667394.
Baker's Bridge Sediment Sample
Animas River samples at Baker's Bridge/Tall Timber Resort (USGS site ID 09359500). Closeup view showing location of streambed sediment sample collection from right side of left channel where river splits into two channels upstream from the Riverside Resort. Latitude 37.457297, Longitude -107.799803.
Animas River samples at Baker's Bridge/Tall Timber Resort (USGS site ID 09359500). Closeup view showing location of streambed sediment sample collection from right side of left channel where river splits into two channels upstream from the Riverside Resort. Latitude 37.457297, Longitude -107.799803.
Cement Creek Close Up
North Fork Cement Creek showing visual results of sodium hydroxide (NaOH) addition which increases the pH causing precipitation of ferric (orange) and ferrous (green) iron hydroxides. Latitude 37.89517, Longitude -107.64656.
North Fork Cement Creek showing visual results of sodium hydroxide (NaOH) addition which increases the pH causing precipitation of ferric (orange) and ferrous (green) iron hydroxides. Latitude 37.89517, Longitude -107.64656.
Helicopter landing to pick up field personnel in Alaska
Helicopter landing to pick up field personnel after a day of geologic mapping and sampling in the Fortymile region north of Tok, Alaska.
Helicopter landing to pick up field personnel after a day of geologic mapping and sampling in the Fortymile region north of Tok, Alaska.
Measuring pH
Measuring pH at the outlet of the fourth settling pond downstream from the North Fork Cement Creek. Latitude 37.894451, Longitude -107.64763.
Measuring pH at the outlet of the fourth settling pond downstream from the North Fork Cement Creek. Latitude 37.894451, Longitude -107.64763.
USGS Gage 09358000
USGS stream Gage (USGS site ID 09358000) on Animas River upstream from Silverton and Cement Creek. Latitude 37.811131, Longitude -107.659213.
USGS stream Gage (USGS site ID 09358000) on Animas River upstream from Silverton and Cement Creek. Latitude 37.811131, Longitude -107.659213.
A high alpine tributary of the Agashashok River
A high alpine tributary of the Agashashok River.
A high alpine tributary of the Agashashok River.
Cement Creek
North Fork Cement Creek just upstream from sodium hydroxide (NaOH) addition (to raise pH), that was conducted by the U.S. Environmental Protection Agency (EPA). Looking upstream. Latitude 37.89517, Longitude -107.64656.
North Fork Cement Creek just upstream from sodium hydroxide (NaOH) addition (to raise pH), that was conducted by the U.S. Environmental Protection Agency (EPA). Looking upstream. Latitude 37.89517, Longitude -107.64656.
Cement Creek Downstream
Cement Creek downstream from CC48 Gage (USGS site ID 09358550) and upstream from confluence with the Animas River near Silverton. Latitude 37.81975, Longitude -107.6624.
Cement Creek downstream from CC48 Gage (USGS site ID 09358550) and upstream from confluence with the Animas River near Silverton. Latitude 37.81975, Longitude -107.6624.
Cement Creek near CC48
Cement Creek near the mouth at site CC48 (USGS site ID 09358550), location of stream gage whose data allowed calculation of the volume of water released during the Gold King Mine release. Latitude 37.8197222, Longitude -107.663056.
Cement Creek near the mouth at site CC48 (USGS site ID 09358550), location of stream gage whose data allowed calculation of the volume of water released during the Gold King Mine release. Latitude 37.8197222, Longitude -107.663056.
First Pond below Gold King Mine
First of four settling ponds located downstream from North Fork Cement Creek to facilitate settling of solids material after addition of sodium hydroxide (NaOH) to the North Fork Cement Creek. Latitude 37.89451, Longitude -107.64763.
First of four settling ponds located downstream from North Fork Cement Creek to facilitate settling of solids material after addition of sodium hydroxide (NaOH) to the North Fork Cement Creek. Latitude 37.89451, Longitude -107.64763.
GKM culvert draining
View of flume installation to measure discharge/flow in the culvert that collects flow from the Gold King Mine. Latitude 37.894631, Longitude -107.638288.
View of flume installation to measure discharge/flow in the culvert that collects flow from the Gold King Mine. Latitude 37.894631, Longitude -107.638288.
GKM Waste Pile
View of the waste pile below the Gold King Mine. Latitude 37.894429, Longitude -107.639135.
View of the waste pile below the Gold King Mine. Latitude 37.894429, Longitude -107.639135.
Gold King Mine Pond
View of pond in North Fork of Cement Creek that received the water from the Gold King Mine portal and native flow in North Fork Cement Creek. Latitude 37.89401, Longitude -107.63821.
View of pond in North Fork of Cement Creek that received the water from the Gold King Mine portal and native flow in North Fork Cement Creek. Latitude 37.89401, Longitude -107.63821.