Alan Cressler:
Beaver Creek, Logan Canyon, Cashe National Forest, Cashe County, Utah 1
Alan Cressler:
Biggins Pond, St. Marks National Wildlife Refuge, Panacea Unit, Wakulla County, Florida 1
Alan Cressler:
Chattooga River, Ellicott Rock Wilderness, Chattahoochee and Sumter National Forest, Rabun County Georgia, and Oconee County, South Carolina 1
Alan Cressler:
Cleetwood Cove, Mount Mazama, Crater Lake National Park, Klamath County, Oregon 1
Alan Cressler:
Cleetwood Cove, with Pollen Plumes Crater Lake, Mount Mazama, view from Cleetwood Cove Trail, Crater Lake National Park, Klamath County, Oregon 1
Alan Cressler:
Colorado River, Rocky Rapids, Rocky Rapids Access, Colorado Riverway, BLM Lands, Grand County, Utah 1
Alan Cressler:
Conasauga River, Cherokee National Forest, Polk County, Tennessee 1
Alan Cressler:
Devil's Eye Spring, Ginnie Spring Outdoors, Gilchrist County, Florida 2
Alan Cressler:
Ellison's Blue Hole, Pigeon Mountain, Crockford-Pigeon Mountain Wildlife Management Area, Walker County, Georgia 2
Alan Cressler:
Escalante River, Escalante River Canyon, Grand Staircase-Escalante National Monument, Garfield County, Utah 5
Alan Cressler:
Ginnie Springs, Ginnie Springs Outdoors, Gilchrist County, Florida 1
Alan Cressler:
Hillsborough River, Rapids, Hillsborough River State Park, Hillsborough County, Florida 1
Alan Cressler:
Hiwassee River, The Narrows, Hiwassee River Gorge, Cherokee Natoinal Forest, Polk County, Tennessee 7
Alan Cressler:
Jonathan Spring, Santa Fe River, Columbia County, Florida 1
Alan Cressler:
July Spring Run, Columbia County, Florida 1
Alan Cressler:
Little River Falls, Little River, Little River Canyon, Lookout Mountain, Little River Canyon National Preserve, DeKalb and Cherokee Counties, Alabama 2
Alan Cressler:
Little River, Little River Canyon, Little River Canyon National Preserve, Cherokee and DeKalb Counties, Alabama 2
Alan Cressler:
Pond WPT 68, U.S, Geological Survey Monitoring Station, St. Marks National Wildlife Refuge, Panacea Unit, Wakulla County, Florida 1
Alan Cressler:
San Rafael River, near Buckhorn Wash, BLM Lands, San Rafael Swell, Emery County, Utah 1
Alan Cressler:
Sope Creek, U.S. Geological Survey, NAWQA water-quality sample site, Cobb County, Georgia, Cristal Younker 1
Alan Cressler:
Turkey Creek (upstream), at Highway 41, Francis Marion National Forest, Berkeley County, South Carolina 1
Alan Cressler:
Turtletown Creek Falls, Turtletown Creek, Cherokee National Forest, Polk County, Tennessee 2
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, Sample Site, Turkey Creek (downstream), at Highway 41, Francis Marion National Forest, Berkeley County, South Carolina, Jeff Riley 3
Alan Cressler:
U.S. Geological Survey, Stream Gage, Site ID 02354475, Spring Creek, Chickasawhatchee Wildlife Management Area, Calhoun County, Georgia 1
Alan Cressler:
Walker Camp Prong, Great Smoky Mountains National Park, Sevier County, Tennessee 1