Alan Cressler: Reams Well, 2nd Pit, Marion County, Tennessee, Dan Calhoun 1
Alan Cressler: Amicalola Creek, from Highway 53 Bridge, Dawson Forest Wildlife Management Area, Goethe Tract, Dawson County, Georgia 1
Alan Cressler: Argiope argentata, St. Marks National Wildlife Refuge, Panacea Unit, Wakulla County, Florida 1
Alan Cressler: Astragalus mollissimus, Arches National Park, Grand County, Utah 1
Alan Cressler: Automeris io, Caterpillar, near the Smith River, below Philpott Dam, Franklin and Henry Counties, Virginia 1
Alan Cressler: Back Creek, upstream of Bath County Pumped Storage Station, Bath County, Virginia 2
Alan Cressler: Balduina atropurpurea, seep bog, Evans County, Georgia 2
Alan Cressler: Jaguar Cave, Barefoot Human Tracks, Ancient Streamway, Fentress County, Tennessee 1
Alan Cressler: Big Creek Gulf, view from Stone Door Overlook, Savage Gulf State Natural Area, South Cumberland Recreation Area, Grundy County, Tennessee 2
Alan Cressler: Bluff Great Kiva, near Bluff, San Juan County, Utah 1
Alan Cressler: Burgess Falls, Falling Water River, Burgess Falls State Natural Area, Putnam County, Tennessee 1
Alan Cressler: Callophrys gryneus, on Rhus aromatica, Flat Rock Cedar Glades and Barrens State Natural Area, Rutherford County, Tennessee 2
Alan Cressler: Calopogon barbatus, Francis Marion National Forest, Berkeley County, South Carolina 4
Alan Cressler: Cambarus cryptodytes, Kay's Palace, south portion, Climax Cave, Decatur County, Georgia 4
Alan Cressler: Can Creek, Can Creek Canyon, Lost Maples State Natural Area, Bandera County, Texas 1
Alan Cressler: Can Creek, Can Creek Canyon, Lost Maples State Natural Area, Bandera County, Texas 6
Alan Cressler: Cane Creek Falls, Cane Creek, Camp Glisson, Lumpkin County, Georgia 2
Alan Cressler: Cedar Mesa area, San Juan County, Utah 1
Alan Cressler: Chattahoochee River, Eagle and Phenix Dam Rapid, from The Island, downtown, Columbus, Columbus-Muscogee County, Georgia, unknown kayaker 2
Alan Cressler: Chattooga River, Chattooga National Wild & Scenic River, Chattahoochee and Sumter National Forest, Rabun County, Georgia and Oconee County,South Carolina 2
Alan Cressler: Cheoah River, Nanthahala National Forest, Graham County, North Carolina 1
Alan Cressler: Cherokee Falls, Daniel Creek, Daniel Creek Canyon, Cloudland Canyon State Park, Dade County, Georgia 1
Alan Cressler: Coastal Marsh, Sea Rim State Park, Jefferson County, Texas 1
Alan Cressler: Comb Ridge, and Comb Wash, distant Abajo Mountains, BLM Lands, San Juan County, Utah 1
Alan Cressler: Cove Boulder Field, Sosebee Cove, Blood Mountain Wilderness, Chattahoochee National Forest, Union County, Georgia 1
Alan Cressler: Craggy Pinnacle, view looking northeast, Blue Ridge Parkway, Buncombe County, North Carolina 1
Alan Cressler: Crotalus horridus, Soapstone Mountain, Chattahoochee National Forest, Stephens County, Georgia 1
Alan Cressler: Cryptobranchus alleganiensis alleganiensis, South Toe River, Mile 20, Yancy County, North Carolina 4
Alan Cressler: Cumulonimbus (Storm Cell Q4, Radar Site KCLX Charleston, South Carolina, Storm Top 22,300 Feet), East Beach, Atlantic Ocean, Saint Simons Island, Glynn County, Georgia 1
Alan Cressler: Cypripedium acaule, Wolfpen Ridge, Brasstown Wilderness, Chattahoochee National Forest, Union County, Georgia 2