USGS hydrologist Adam Birken prepares to measure streamflow on the South Fork of the Ogden River near Hunstville, Utah. This streamgage has been monitoring water levels and flow since March 21, 1921, making it one of 25 centennial gauges in Utah.
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![USGS hydrologist Adam Birken prepares to measure streamflow on the South Fork of the Ogden River near Hunstville, Utah.](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/masonry/public/thumbnails/image/IMG-4447.jpg?itok=LAmNLz5K)
USGS hydrologist Adam Birken prepares to measure streamflow on the South Fork of the Ogden River near Hunstville, Utah. This streamgage has been monitoring water levels and flow since March 21, 1921, making it one of 25 centennial gauges in Utah.
![Chart recorder similar to one installed inside a centennial streamgage](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/masonry/public/thumbnails/image/IMG-4466_0.jpg?itok=Oe3iH0La)
This is a chart recorder similar to the one installed inside the USGS streamgage on the South Fork of the Ogden River in 1921.
This is a chart recorder similar to the one installed inside the USGS streamgage on the South Fork of the Ogden River in 1921.
![USGS hydrologist Adam Birken conducts equipment maintenance at the USGS streamgage on the South Fork of the Ogden River in Utah.](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/masonry/public/thumbnails/image/IMG-4460.jpg?itok=Djl2iz3f)
USGS hydrologist Adam Birken conducts equipment maintenance at the USGS streamgage on the South Fork of the Ogden River near Hunstville, Utah. This streamgage has been monitoring water levels and flow since March 21, 1921, making it one of 25 centennial gauges in Utah.
USGS hydrologist Adam Birken conducts equipment maintenance at the USGS streamgage on the South Fork of the Ogden River near Hunstville, Utah. This streamgage has been monitoring water levels and flow since March 21, 1921, making it one of 25 centennial gauges in Utah.
![USGS hydrologist cleans and inspects the water height reference staff at a USGS streamgage site in Utah.](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/masonry/public/thumbnails/image/IMG-4451.jpg?itok=3gl6yP5k)
USGS hydrologist Adam Birken cleans and inspects the water height reference staff at the USGS streamgage site on the South Fork of the Ogden River near Hunstville, Utah. This streamgage has been monitoring water levels and flow since March 21, 1921, making it one of 25 centennial gauges in Utah.
USGS hydrologist Adam Birken cleans and inspects the water height reference staff at the USGS streamgage site on the South Fork of the Ogden River near Hunstville, Utah. This streamgage has been monitoring water levels and flow since March 21, 1921, making it one of 25 centennial gauges in Utah.
![Utah Gauge Celebrates 100 Years of Monitoring Streamflow](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/masonry/public/thumbnails/image/IMG-4461.jpg?itok=c8Sk7kRl)
A U.S. Geological Survey streamgage near Hunstville, Utah is celebrating 100 years of monitoring streamflow on the south fork of the Ogden River. The streamgage has been monitoring water levels and flow since March 21, 1921, making it one of 25 centennial gauges in Utah.
A U.S. Geological Survey streamgage near Hunstville, Utah is celebrating 100 years of monitoring streamflow on the south fork of the Ogden River. The streamgage has been monitoring water levels and flow since March 21, 1921, making it one of 25 centennial gauges in Utah.
![A USGS streamgage near Hunstville, Utah is celebrating 100 years of monitoring streamflow on the Ogden River](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/masonry/public/thumbnails/image/thumbnail_IMG-4462.jpg?itok=TCoIv-aO)
A U.S. Geological Survey streamgage near Hunstville, Utah is celebrating 100 years of monitoring streamflow on the south fork of the Ogden River. The streamgage has been monitoring water levels and flow since March 21, 1921, making it one of 25 centennial gauges in Utah.
A U.S. Geological Survey streamgage near Hunstville, Utah is celebrating 100 years of monitoring streamflow on the south fork of the Ogden River. The streamgage has been monitoring water levels and flow since March 21, 1921, making it one of 25 centennial gauges in Utah.
![Modern equipment currently in use at the South Fork of the Ogden River streamgage](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/masonry/public/thumbnails/image/equipment.08182014%20%281%29.jpg?itok=Cop12_IV)
Modern equipment currently in use at the South Fork of the Ogden River streamgage, to include; an electronic data logger, pressure transducer and GOES radio. This streamgage has been monitoring water levels and flow since March 21, 1921, making it one of 25 centennial gauges in Utah. The equipment used to collect data has changed significantly over the pas
Modern equipment currently in use at the South Fork of the Ogden River streamgage, to include; an electronic data logger, pressure transducer and GOES radio. This streamgage has been monitoring water levels and flow since March 21, 1921, making it one of 25 centennial gauges in Utah. The equipment used to collect data has changed significantly over the pas
![Description of the South Fork of the Ogden River streamgage included in USGS Water-Supply Paper](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/masonry/public/thumbnails/image/IMG-4235%20%281%29.jpg?itok=o_vlCwHA)
Description of the South Fork of the Ogden River streamgage included in USGS Water-Supply Paper 530 "Surface Water Supply of the United States, 1921, Part X.
Description of the South Fork of the Ogden River streamgage included in USGS Water-Supply Paper 530 "Surface Water Supply of the United States, 1921, Part X.
One of two water-quality platforms that float on Bear Lake, Utah-Idaho during spring-fall, collecting seven water-quality parameters continuously at 2-meter intervals from the surface of the lake to the bottom.
One of two water-quality platforms that float on Bear Lake, Utah-Idaho during spring-fall, collecting seven water-quality parameters continuously at 2-meter intervals from the surface of the lake to the bottom.
Spectacular view of Great Salt Lake on relatively clear day. Lake is lost in the distance as it meets the blue of the sky at the horizon. USGS research scientists in foreground setting up atmospheric deposition collection frame on Elephant Head.
Spectacular view of Great Salt Lake on relatively clear day. Lake is lost in the distance as it meets the blue of the sky at the horizon. USGS research scientists in foreground setting up atmospheric deposition collection frame on Elephant Head.
Technicians set up equipment to monitor atmospheric deposition on Elephant Head on a bluebird day, looking north across the Great Salt Lake.
Technicians set up equipment to monitor atmospheric deposition on Elephant Head on a bluebird day, looking north across the Great Salt Lake.
Technician prepares to service instrumentation on platform during spring 2020.
Technician prepares to service instrumentation on platform during spring 2020.
Lake Powell report, SIR 2022-5017, Elevation-Area-Capacity Relationships of Lake Powell in 2018 and Estimated Loss of Storage Capacity Since 1963, cover image showing past lake levels.
Lake Powell report, SIR 2022-5017, Elevation-Area-Capacity Relationships of Lake Powell in 2018 and Estimated Loss of Storage Capacity Since 1963, cover image showing past lake levels.
![USGS gage 410401112134801 Great Salt Lake Farmington Bay Outflow, UT](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/masonry/public/thumbnails/image/Freeman.UT_.FarmgintonBay.jpg?itok=o_0ckshM)
Travis Gibson services the SonTek SW prior to making a discharge measurement on a chilly morning on the Great Salt Lake at USGS gage 410401112134801 Great Salt Lake Farmington Bay Outflow, UT.
Travis Gibson services the SonTek SW prior to making a discharge measurement on a chilly morning on the Great Salt Lake at USGS gage 410401112134801 Great Salt Lake Farmington Bay Outflow, UT.
Tableau data visualization showing temperature through color variations to show change with depth over time.
Tableau data visualization showing temperature through color variations to show change with depth over time.
South side of Glen Canyon Dam, and Lake Powell. Used as back-image on USGS Report, SIR 2022-5017.
South side of Glen Canyon Dam, and Lake Powell. Used as back-image on USGS Report, SIR 2022-5017.
USGS scientists collect sediment cores to examine the amount and distribution of metals within Lake Powell.
USGS scientists collect sediment cores to examine the amount and distribution of metals within Lake Powell.
Drill rig to collect sediment samples on Lake Powell.
Drill rig to collect sediment samples on Lake Powell.
USGS scientists work with heavy machinery to collect sediment through the full thickness of the San Juan and Colorado River deltas.
USGS scientists work with heavy machinery to collect sediment through the full thickness of the San Juan and Colorado River deltas.
Core processing hut provides a sheltered environment for scientists to process the cores for shipment to the National Lacustrine Core Facility
Core processing hut provides a sheltered environment for scientists to process the cores for shipment to the National Lacustrine Core Facility
USGS scientists collect sediment cores to examine the amount and distribution of metals within Lake Powell.
USGS scientists collect sediment cores to examine the amount and distribution of metals within Lake Powell.