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Denali Fault: Chistochina River
Denali fault near headwaters of Chistochina River, view to the south. Dark blur at top of photo is rotor blade....
Denali Fault: Chistochina River
Denali fault crossing stream near headwaters of Chistochina River. Stream offset was 4.8m. Perhaps better than the previous photo....
Flint River at Base Flow Conditions
The Flint River below Bainbridge, Georgia, showing base flow conditions. Even at low flows, rivers in this part of Georgia contain enough sediment to color the water brown. ...
Installing Water-Level Monitoring Gage
Installing a water-level monitoring gage, Coosawattee River, Georgia. Two USGS workers installing a "stilling well"s, which is a major component of most systems used to monitor stream stage (gage height). The pipe is placed vertically into the stream and the level of the water in the pipe is continu...
Preparing Water-Quality Sampling Device for Use
A USGS scientist about the collect a water sample with a DH-95 sampler (the white torpedo looking device). After sampling, another scientist takes the bottle of water and pours it into the churn. Having another scientist do this prevents contamination of the sample....
Measuring Streamflow Through a Weir
Pew Creek below Johnson Road, Lawrenceville, Ga. The metal structure is a "V" weir. A sediment dam was built on either side of it to force the water through the weir. Scientists can calculate gallons per minute flow in the stream by timing how long the flow took to fill a bucket....
River Mile 3: Before High Flow Experiment
Photo of River Mile 3 taken before the 2008 Glen Canyon experiment....
River Mile 3: After High Flow Experiment
Photo of River Mile 3 taken after the 2008 Glen Canyon high flow experiment....
River Mile 45: Before High Flow Experiment
Photo of River Mile 45 taken before the 2008 Glen Canyon high flow experiment....
River Mile 45: After High Flow Experiment
Photo of River Mile 45 taken after the 2008 Glen Canyon high flow experiment....