Alan Cressler: Acarospora chrysops, Altamaha Formation sandstone outcrop, Broxton Rocks, Broxton Rocks Preserve, The Nature Conservancy, Coffee County, Georgia 1
Alan Cressler: Altamaha Formation (Altamaha Grit), middle Miocene age, flatrock glade, Broxton Rocks Preserve, The Nature Conservancy, Coffee County, Georgia 1
Alan Cressler: Altamaha Formation (Altamaha Grit), middle Miocene age, flatrock glade, Broxton Rocks Preserve, The Nature Conservancy, Coffee County, Georgia 2
Alan Cressler: Altamaha Formation (Altamaha Grit), middle Miocene age, flatrock glade, Broxton Rocks Preserve, The Nature Conservancy, Coffee County, Georgia 3
Alan Cressler: Altamaha Formation (Altamaha Grit), middle Miocene age, flatrock glade, Broxton Rocks Preserve, The Nature Conservancy, Coffee County, Georgia 4
Alan Cressler: Altamaha Formation (Altamaha Grit), middle Miocene age, flatrock glade, Broxton Rocks Preserve, The Nature Conservancy, Coffee County, Georgia 5
Alan Cressler: Altamaha Formation (Altamaha Grit), middle Miocene age, flatrock glade, Broxton Rocks Preserve, The Nature Conservancy, Coffee County, Georgia 6
Alan Cressler: Altamaha Formation (Altamaha Grit), middle Miocene age, flatrock glade, Broxton Rocks Preserve, The Nature Conservancy, Coffee County, Georgia 7
Alan Cressler: Altamaha Formation Cliffs, Rocky Creek Canyon, Broxton Rocks Preserve, The Nature Conservancy, Coffee County, Georgia 1
Alan Cressler: Altamaha Formation, Flat Rock, Rocky Creek Canyon, Broxton Rocks Preserve, The Nature Conservancy, Coffee County, Georgia 1
Alan Cressler: Altamaha Formation sandstone outcrop, Flat Tub Wildlife Management Area, Jeff Davis County, Georgia 1
Alan Cressler: Altamaha Formation sandstone outcrop, Flat Tub Wildlife Management Area, Jeff Davis County, Georgia 2
Alan Cressler: Altamaha Formation, Sandstone Outcrop, Flat Tub Wildlife Management Area, Jeff Davis County, Georgia 3
Alan Cressler: Altamaha Formation, outcrop, Ricketson Tract, Broxton Rocks Preserve, The Nature Conservancy, Coffee County, Georgia 2
Alan Cressler: Asclepias cinerea, Ricketson Tract, Broxton Rocks Preserve, The Nature Conservancy, Coffee County, Georgia 1
Alan Cressler: Asclepias cinerea, Ricketson Tract, Broxton Rocks Preserve, The Nature Conservancy, Coffee County, Georgia 2
Alan Cressler: Asclepias cinerea, Ricketson Tract, Broxton Rocks Preserve, The Nature Conservancy, Coffee County, Georgia 3
Alan Cressler: Indurated Flint Kaolin, Berzelia Rock, Columbia County, Georgia 3
Alan Cressler: Indurated Flint Kaolin, Berzelia Rock, Columbia County, Georgia 4
Alan Cressler: Indurated Flint Kaolin, Berzelia Rock, Columbia County, Georgia 5
Alan Cressler: Holubiella lunarioides, Broxton Rocks Preserve, The Nature Conservancy, Coffee County, Georgia 1
Alan Cressler: Holubiella lunarioides, Broxton Rocks Preserve, The Nature Conservancy, Coffee County, Georgia 2
Alan Cressler: Bruchia flexuosa, Altamaha Formation sandstone outcrop, Broxton Rocks, Broxton Rocks Preserve, The Nature Conservancy, Coffee County, Georgia 1
Alan Cressler: carphephorus bellidifolius, berzelia rock, columbia county, georgia 3
Alan Cressler: Myriopteris lanosa, Broxton Rocks Preserve, The Nature Conservancy, Coffee County, Georgia 1
Alan Cressler: Myriopteris lanosa, Broxton Rocks Preserve, The Nature Conservancy, Coffee County, Georgia 2
Alan Cressler: Corbitt Tract, indurated sandstone glade, middle Miocene age, Altamaha Formation, Broxton Rocks Preserve, The Nature Conservancy, Coffee County, Georgia 1
Alan Cressler: Corbitt Tract, indurated sandstone glade, middle Miocene age, Altamaha Formation, Broxton Rocks Preserve, The Nature Conservancy, Coffee County, Georgia 2
Alan Cressler: Corbitt Tract, indurated sandstone glade, middle Miocene age, Altamaha Formation, Broxton Rocks Preserve, The Nature Conservancy, Coffee County, Georgia 3
Alan Cressler: Corbitt Tract, indurated sandstone glade, middle Miocene age, Altamaha Formation, Broxton Rocks Preserve, The Nature Conservancy, Coffee County, Georgia 4