Alan Cressler:
2009 USGS ARMI (Amphibian Research and Monitoring Initiative) meeting, Twin Creeks Natural Resource Center, Great Smoky Mountains National Park, Sevier County, Tennessee 1
Alan Cressler:
Adrian Castillo, U.S. Geological Survey, Custom Remote Control Boat, Acoustic Doppler Current Profiler (ADCP), Hydro 3, Discharge Measurement, St. Lucie Canal below S-308, near Port Mayaca, Martin County, Florida 1
Alan Cressler:
Alan Cressler (left) U.S.G.S. Atlanta, and Jamie Barichivich (right) U.S.G.S. Florida, Notophthalmus viridescens, Bsal Swabbing, Smithgall Woods State Park, White County, Georgia 1
Alan Cressler:
Alan Cressler (left) and Nick Henry (right) (U.S. Geological Survey), processing a biological sample, Hillabahatchee Creek, Heard County, Georgia 1
Alan Cressler:
Bed Sediment Sampling, White Oak Creek, at Hinds Road, Coweta County, Georgia, Chris Walls and Dan Calhoun 2
Alan Cressler:
Beggiatoa alba (possible identification) Well, 34G007, Saint Andrews Picnic Area, Jekyll Island, Glynn County, Georgia 1
Alan Cressler:
Ben Torrison, Sediment Sampling, Mohawk River, U.S. Geological Survey, PNSQA Sample Site, Lane County, Oregon 1
Alan Cressler:
Bryan Downing, Chris Walls, U.S. Geological Survey work, Altamaha River, near Altamaha Park, Glynn and McIntosh Counties, Georgia 1
Alan Cressler:
Bryan Downing, Dan Calhoun, Chris Walls, U.S. Geological Survey work, Altamaha River, near Altamaha Park, Glynn and McIntosh Counties, Georgia 1
Alan Cressler:
Bryan Downing, Dan Calhoun, Chris Walls, U.S. Geological Survey work, Altamaha River, near Altamaha Park, Glynn and McIntosh Counties, Georgia 2
Alan Cressler:
Bryan Downing, Dan Calhoun, U.S. Geological Survey work, Altamaha River, near Altamaha Park, Glynn and McIntosh Counties, Georgia 1
Alan Cressler:
Bryan Downing, Dan Calhoun, U.S. Geological Survey work, Altamaha River, near Altamaha Park, Glynn and McIntosh Counties, Georgia 2
Alan Cressler:
Cave Spring Cave, Wheeler National Wildlife Refuge, Morgan County, Alabama, left for right, Tabby Cavendish (NPS), Brian Gregory (USGS), Dan Calhoun (USGS) 2
Alan Cressler:
Chattahoochee River, 16,000 cubic feet per second (CFS), County Park, Coweta County, Georgia, Jeff Riley 1
Alan Cressler:
Chattahoochee River, 16,000 cubic feet per second (CFS), County Park, Coweta County, Georgia, Jeff Riley 2
Alan Cressler:
Chattahoochee River, 16,000 cubic feet per second (CFS), County Park, Coweta County, Georgia, Jeff Riley 3
Alan Cressler:
Chattahoochee River, 16,000 cubic feet per second (CFS), County Park, Coweta County, Georgia, Jeff Riley 4
Alan Cressler:
Chattahoochee River, U.S. Geological Survey, NAWQA Program water-quality sample site, Coweta County Riverside Park, near Whitesburg, Coweta and Carroll Counties, Georgia, Alan Cressler 1
Alan Cressler:
Chattahoochee River, U.S. Geological Survey, NAWQA Program water-quality sample site, near Whitesburg, Coweta and Carroll Counties, Georgia, Alan Cressler 1
Alan Cressler:
Chris Walls (L) and Nick Henry (R), U.S. Geological Survey, Spring Creek, at Spring Creek Road, Upson County, Georgia 1
Alan Cressler:
Depression Marsh, once part of Big Lake Johnson, Mike Roess Goldhead Branch State Park, Putnam County, Florida, Dan Calhoun 1
Alan Cressler:
Discharge Measurement, Low Flow, White Oak Creek, at Hinds Road, Coweta County, Georgia, Mindi Dalton 1
Alan Cressler:
Discharge Measurement, Low Flow, White Oak Creek, at Hinds Road, Coweta County, Georgia, Mindi Dalton 3
Alan Cressler:
Doug Harned (U.S.G.S. North Carolina) and Amanda Bell (U.S.G.S. Wisconsin), filming U.S.G.S video podcast, Kinnickinnic River, near South 8th Street pedestrian bridge, Milwaukee, Milwaukee County, Wisconsin 1
Alan Cressler:
Doug Harned (U.S.G.S. North Carolina) and Amanda Bell (U.S.G.S. Wisconsin), filming U.S.G.S video podcast, Kinnickinnic River, near South 8th Street pedestrian bridge, Milwaukee, Milwaukee County, Wisconsin 2
Alan Cressler:
Doug Harned (U.S.G.S. North Carolina), filming U.S.G.S video podcast, Kinnickinnic River, near South 8th Street pedestrian bridge, Milwaukee, Milwaukee County, Wisconsin 2
Alan Cressler:
Doug Harned (USGS), Underwood Creek, naturalized stream channel, Gravel Sholes Park, at North Mayfair Road, Wauwatosa, Milwaukee County, Wisconsin 1
Alan Cressler:
Doug Harned and Amanda Bell filming an interview with Faith Fitzpatrick, U.S.G.S video podcast, Kinnickinnic River, South 8th Street pedestrian bridge, Milwaukee, Milwaukee County, Wisconsin 1
Alan Cressler:
Doug Harned filming U.S.G.S video podcast, Kinnickinnic River, South 8th Street pedestrian bridge, Milwaukee, Milwaukee County, Wisconsin 3
Alan Cressler:
Electrofishing, Amazon Creek, U.S. Geological Survey, PNSQA Sample Site, Eugene, Lane County, Oregon, (L to R), Casie Smith, Amanda Bell, and David Piatt 1
