Alan Cressler:
11th Unnamed Cave, Prehistoric Petroglyphs, Images 5, 6, 7, 8, 9, 10, Cumberland County, Tennessee, Alan Cressler 1
Alan Cressler:
Aaron Goldtooth, Jonathan Bailey, and Alan Cressler, The Narrows, Grand Wash, Capitol Reef National Park, Wayne County, Utah 1
Alan Cressler:
Agathis australis, old growth, Trounson Kauri Walk, Trounson Kauri Park Scenic Reserve, Kaipara District, Northland, New Zealand, Alan Cressler 1
Alan Cressler:
Akahu Kaimu, Anchialine Pool, North Kona District, Hawaii County, Hawaii, Alan Cressler 1
Alan Cressler:
Alan Cressler (L) and Jeff Riley (R), Habitat Survey, SCDOT Culvert Project, U.S. Geological Survey, Saddler Swamp, Calhoun County, South Carolina 1
Alan Cressler:
Alan Cressler (L) and Jeff Riley (R), Habitat Survey, SCDOT Culvert Project, U.S. Geological Survey, Saddler Swamp, Calhoun County, South Carolina 2
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) 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:
Alan Cressler's Home, Backyard, First New Drone Photo, Atlanta, DeKalb County, Georgia 1
Alan Cressler:
Alan Cressler's, Badly Broken Arm 1
Alan Cressler:
Alan Cressler's, CRITA Award, Photo by Jay Franklin
Alan Cressler:
Alan Cressler's, Carpal Tunnel Surgery 1
Alan Cressler:
Alan Cressler's, Carpal Tunnel Surgery 2
Alan Cressler:
Alan Cressler's, Cool Fixed Arm 1
Alan Cressler:
Alan Cressler's, Fixed Broken Arm, Scar 1
Alan Cressler:
Alan Cressler's, Fixed Broken Arm, Scar 2
Alan Cressler:
Alan Cressler's, Head Scar 1
Alan Cressler:
Alan Cressler, Blowing Rocks Preserve, Martin County, Florida, photo by Brad Barker
Alan Cressler:
Alan Cressler, Cave Entrance, Miami Limestone, Miami Ridge, Cutler Hammock, Miami-Dade County, Florida 1
Alan Cressler:
Alan Cressler, Cloud Forest, Sendero Roble, Reserva Biológica Bosque Nuboso Monteverde, Monteverde, Provincia de Puntarenas, Costa Rica 1
Alan Cressler:
Alan Cressler, Date Unknown 1
Alan Cressler:
Alan Cressler, Death Valley National Park, Badwater, Inyo County, California 1
Alan Cressler:
Alan Cressler, Delphinium alabamicum, and Packera anonyma, Prairie Grove Glades, Lawrence County, Alabama 1
Alan Cressler:
Alan Cressler, Drone View, East Lake Park, Atlanta, DeKalb County, Georgia 1
Alan Cressler:
Alan Cressler, Emily Sessa, Emily Guinan, Fakahatchee Strand, The Cathedral, Fakahatchee Strand Preserve State Park, Collier County, Florida 1
Alan Cressler:
Alan Cressler, Fakahatchee Strand Preserve State Park, Collier County, Florida, photo by Ellliot Stahl
Alan Cressler:
Alan Cressler, Hoh River Trail, Rain Forest, Hoh River Valley, Olympic National Park, Jefferson County, Washington 1
Alan Cressler:
Alan Cressler, March 8, 1958 1
Alan Cressler:
Alan Cressler, Matheson Hammock Cave, Miami-Dade County, Florida, photo by Brad Barker
