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Scientist Working in Lab
Dr. David Blehert working in his laboratory at the USGS National Wildlife Health Center....
Scientists Entering Mine
Scientists enter abandoned mine where bats hibernate in NY....
Scientist at Bat Cave
USGS wildlife disease specialist Kim Miller outside of an abandoned mine where bats hibernate in NY....
Collecting Environmental Samples
Kim Miller collecting environmental samples in an abandoned mine where bats hibernate in NY...
Bat Wing Damage
Wing damage from fungus in little brown bat....
Brown Bat Necropsy
USGS pathologist Nancy Thomas and technician Dottie Johnson necropsy little brown bat at the USGS National Wildlife Health Center....
Bat Necropsy
USGS scientists conducting necropsy on bats (Dr. David Blehert on right) at the USGS National Wildlife Health Center....
Scientist and Quarry Cutters
USGS scientist stands below quarry cutters setting atop large blocks of cut coral, at Windley Quarry....
Streambed Sediment Sampling
Bed sediment sampling, Suwanee Creek, Gwinnett Co, Georgia...
Routine Maintenance on a Ground-Water Monitoring Well.
Routine maintenance on a ground-water monitoring well, Perry Park, Brunswick, Glynn County, Georgia. At one time this well was used by the City of Brunswick for drinking water. Saltwater intrusion forced the city to abandon the well, so the USGS started monitoring it for water levels and specific ...
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....
Test Well, East River
USGS test well 10 34h363 in the East River, Brunswick, Ga. The U.S. Geological Survey drilled this test well in the early 1970's and at the time it was on the edge of the marsh at Andrews Island. It is now only accessible by boat or canoe at high tide. Despite being surrounded by saltwater the artes...
Water-Quality Sampling
Noses Creek at Powder Springs Road, Georgia. Part of the USGS safety protocol is to wear a PFD (personal flotation device) around any surface water. This scientist may not look like he has one on, but he does--it is under his rain coat. This DH-81 sampler is used to sample flood water for suspended-...
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