Alan Cressler:
11th Unnamed Cave, Prehistoric Petroglyphs, Images 5, 6, 7, 8, 9, Cumberland County, Tennessee, Marion Smith 1
Alan Cressler:
19 Foot Pit, We Dug Open, West Side Walden Ridge, Sequatchie Valley, Bledsoe County, Tennessee, Marion O. Smith, Gerald Moni, Avis Moni 1
Alan Cressler:
62nd Unnamed Cave, Smoked Artwork, Grundy County, Tennessee, Kristen Bobo, And Marion Smith 1
Alan Cressler:
62nd Unnamed Cave, Smoked Artwork, Grundy County, Tennessee, Marion Smith 1
Alan Cressler:
Anvil Points Arch, BLM land, Garfield County, Colorado, Elliot Stahl, and Marion Smith 1
Alan Cressler:
Anvil Points Arch, BLM land, Garfield County, Colorado, left to right, Elliot Stahl, Marion Smith, and Joe Douglas 1
Alan Cressler:
Anvil Points Cave, lower entrance, BLM land, Garfield County, Colorado, left to right, Marion Smith, Elliot Stahl, and Joe Douglas 1
Alan Cressler:
Anvil Points Cave, upper entrance, BLM land, Garfield County, Colorado, Marion Smith 1
Alan Cressler:
Bear Bones Cave, Sharp-Bingham Mountain Preserve, The Nature Conservancy, Jackson County, Alabama, Marion Smith 2
Alan Cressler:
Beasleys Bend Cave, Entrance 1, Smith County, Tennessee, Left to Right, Marion Smith, Kristen Bobo, Alfred Crabtree, Joe Douglas 1
Alan Cressler:
Beers Dig Dug, Jackson County, Alabama, Marion Smith 1
Alan Cressler:
Big Bone Cave, Bone Cave Branch, Tally Marks, Van Buren County, Tennessee, Marion Smith 1
Alan Cressler:
Big Bone Cave, Bone Cave Branch, Van Buren County, Tennessee, Marion Smith 1
Alan Cressler:
Big Bone Cave, Bone Cave Branch, Wooden Pipe, Van Buren County, Tennessee, Marion Smith 2
Alan Cressler:
Big Bone Cave, Muster Ground Signatures, Van Buren County, Tennessee, Marion O. Smith 4
Alan Cressler:
Big Bone Cave, Muster Ground Signatures, Van Buren County, Tennessee, Marion O. Smith 5
Alan Cressler:
Big Bone Cave, Muster Ground Signatures, Van Buren County, Tennessee, Marion O. Smith 6
Alan Cressler:
Big Bone Cave, Muster Ground Signatures, Van Buren County, Tennessee, Marion O. Smith 7
Alan Cressler:
Big Bone Cave, Muster Ground Vats, Van Buren County, Tennessee, Marion O. Smith 2
Alan Cressler:
Big Bone Cave, Q Passage, Ladder and Tally Marks, Van Buren County, Tennessee, Marion Smith 1
Alan Cressler:
Big Bone Cave, Q Passage, Ladder and Tally Marks, Van Buren County, Tennessee, Marion Smith 5
Alan Cressler:
Big Bone Cave, Q Passage, Timbers and Digging Stick, Van Buren County, Tennessee, Marion Smith 1
Alan Cressler:
Big Bone Cave, Q Passage, Timbers, Van Buren County, Tennessee, Marion Smith 1
Alan Cressler:
Big Bone Cave, Van Buren County, Tennessee, Manuel Beers, Tim Smith, Jeff Moore, and Marion Smith 1
Alan Cressler:
Big Bone Cave, Van Buren County, Tennessee, Marion Smith 1
Alan Cressler:
Big Bone Cave, Van Buren County, Tennessee, Marion Smith 2
Alan Cressler:
Big Bone Cave, Van Buren County, Tennessee, Marion Smith 6
Alan Cressler:
Biner Eater Pit, Dyer Gulch, Warren County, Tennessee, Jeff Moore, Marion Smith, and Manuel Beers 1
Alan Cressler:
Bosque Estatal de Quanica, Municipio de Guayanilla, Puerto Rico, Caribbean Sea, Marion O. Smith, and Brian Killingbeck 1
Alan Cressler:
Bosque Estatal de Quanica, Playa de Tamarindo, Municipio de Guayanilla, Puerto Rico, Marion O. Smith 1
