Alan Cressler: Coldwater Creek, bankfull flood, Philip Habermehl (U.S.G.S.) making a discharge measurement with an Acoustic Doppler Current Profiler (ADCP), at Shiloh Church Road, U.S.G.S. sample site, Hart County, Georgia 1
Alan Cressler: discharge measurement, Paul Ankcorn, Chattooga National Wild and Scenic River, Chattahoochee and Sumter National Forests, Rabun County, Georgia and Oconee County, South Carolina 4
Alan Cressler: Gauging Station (U.S. Forest Service), versus Gaging Station (U.S. Geological Survey), Turkey Creek, at Highway 41, Francis Marion National Forest, Berkeley County, South Carolina 1
Alan Cressler: Jamie Barichivich (U.S.G.S. Florida), Dip Netting, Douglas County, Georgia 1
Alan Cressler: Jamie Barichivich (U.S.G.S. Florida), Notophthalmus viridescens, Douglas County, Georgia 1
Alan Cressler: Jeff Riley (right) and Nick Henry (left) (U.S. Geological Survey), collecting a biological sample, Hillabahatchee Creek, Heard County, Georgia 1
Alan Cressler: Jeff Riley (U.S. Geological Survey), processing an algae sample, Hillabahatchee Creek, Heard County, Georgia 1
Alan Cressler: Kingfisher Pond, St. Marks National Wildlife Refuge, Panacea Unit, Wakulla County, Florida, Chris Walls (left), and Alan Cressler (right) 1
Alan Cressler: Lime Creek, U.S.G.S. sampling, Sumter County, Georgia, Jeff Riley 1
Alan Cressler: Middle Oconee River, Athens-Clarke County, Georgia, Javier Spencer (U.S. Geological Survey) 2
Alan Cressler: Morgan Falls Dam, Chattahoochee River, Gity of Sandy Springs, Fulton and Cobb Counties, Georgia, Chris Smith (USGS) 2
Alan Cressler: Philip Habermehl (U.S.G.S.) making a discharge measurement with a FlowTracker Handheld-ADV® (Acoustic Doppler Velocimeter), Beaverdam Creek, at Vanna Road, U.S.G.S. sample site, Hart County, Georgia 1
Alan Cressler: Pond WPT 68, U.S, Geological Survey Monitoring Station, St. Marks National Wildlife Refuge, Panacea Unit, Wakulla County, Florida 1
Alan Cressler: Sweetwater Creek, at Interstate 20, West Bound Lanes, near Lithia Springs, Douglas County, Georgia, Mark Reynolds and Mark Truhlar (U.S.G.S.) 3
Alan Cressler: U. S. Geological Survey, National Water Quality Assessment (NAWQA), Upper Floridan Aquifer Water Sampling, Wakulla No. 2 Well, Wakulla County, Florida, Elliot Stahl 1
Alan Cressler: U. S. Geological Survey, National Water Quality Assessment (NAWQA), Upper Floridan Aquifer Water Sampling, Wakulla No. 2 Well, Wakulla County, Florida, Elliot Stahl 4
Alan Cressler: U.S. Geological Survey, Batrachochytrium salamandrivorans (Bsal) Swabbing Project, L to R, Marcie Cruz, Jason Musser, Jeff Riley, Alan Cressler, Iron Mine Pond, Bartow County, Georgia 2
Alan Cressler: U.S. Geological Survey, National Water Quality Assessment (NAWQA), Agriculture-Land Use Study, surficial aquifer well sampling, Well RF-41, Mayhaw Wildlife Management Area, Miller County, Georgia, Cristal Younker, Elliot Stahl 1
Alan Cressler: U.S. Geological Survey, National Water Quality Assessment (NAWQA), Agriculture-Land Use Study, surficial aquifer well sampling, Well RF-44, Mayhaw Wildlife Management Area, Miller County, Georgia, Cristal Younker 1
Alan Cressler: U.S. Geological Survey, NAWQA (National Water Quality Assessment) Sampling Site, Anna McKee (eDNA sampling), and Jeff Riley (algae sampling), Hillabahatchee Creek, Heard County, Georgia 1
Alan Cressler: U.S. Geological Survey, NAWQA Ecology Sampling Training Class, South Fork Broad River, Watson Mill State Park, Madison County, Georgia 1
Alan Cressler: U.S. Geological Survey, NAWQA Program. Electrofishing, Sope Creek, Cobb County, Georgia, L to R, Dan Calhoun, Paula Marcinek (GA DNR), Jeff Riley 1
Alan Cressler: U.S. Geological Survey, NAWQA Program electrofishing, Sope Creek, Cobb County, Georgia, L to R, Jeff Riley, Dan Calhoun, Paula Marcinek (fish biologist) 2
Alan Cressler: U.S. Geological Survey, NAWQA public supply well sampling, Well 13U001, Reynolds, Taylor County, Georgia, Elliot Stahl and Cristal Younker 2
Alan Cressler: U.S. Geological Survey, Sample Site, South Fork Edisto River, at U.S. Highway 321, Orangeburg and Bamberg Counties, South Carolina, Jeff Riley 2
Alan Cressler: U.S. Geological Survey, Sample Site, Turkey Creek, at Highway 41, Francis Marion National Forest, Berkeley County, South Carolina, Jeff Riley 1
Alan Cressler: U.S. Geological Survey, Stream Gage 09337500, Escalante River, Escalante River Canyon, Grand Staircase-Escalante National Monument, Garfield County, Utah 1
Alan Cressler: U.S. Geological Survey, Stream Gage, Site ID 02354475, Spring Creek, Chickasawhatchee Wildlife Management Area, Calhoun County, Georgia 1
Alan Cressler: Upper Floridan Aquifer well, 34H363, East River, Brunswick, Glynn County, Georgia, Chris Walls 2
Alan Cressler: Well 34H363, East River, Brunswick, Glynn County, Georgia, Michael Hamrick 1