Alan Cressler:
Adelges tsugae, on Tsuga canadensis, Laurel Fork Gorge, Pond Mountain Wilderness, Cherokee National Forest, Carter County, Tennessee 1
Alan Cressler:
Adelges tsugae, on Tsuga canadensis, Jacks River, Cohutta Wilderness, Chattahoochee National Forest, Fannin County, Georgia 1
Alan Cressler:
Alapaha River, river sink, Jennings Bluff-Avoca Tracts, Suwannee River Water Management District Lands, Hamilton County, Florida 1
Alan Cressler:
Alapaha River, river sink, Jennings Bluff-Avoca Tracts, Suwannee River Water Management District Lands, Hamilton County, Florida 2
Alan Cressler:
Alapaha River, river sink, Jennings Bluff-Avoca Tracts, Suwannee River Water Management District Lands, Hamilton County, Florida 3
Alan Cressler:
Alapaha River, river sink, Jennings Bluff-Avoca Tracts, Suwannee River Water Management District Lands, Hamilton County, Florida 4
Alan Cressler:
Alexander Springs, Alexander Springs Recreation Area, Ocala National Forest, Lake County, Florida 4
Alan Cressler:
Alligator species (Miocene Age), Gray Fossil Site, Washington County, Tennessee 1
Alan Cressler:
altamaha park road, flood april 14, 2009, one-half mile from altamaha park, glynn county, georgia 1
Alan Cressler:
altamaha park road, flood april 14, 2009, one-half mile from altamaha park, glynn county, georgia, chris walls 1
Alan Cressler:
altamaha park road, flood april 14, 2009, one-half mile from altamaha park, glynn county, georgia, chris walls 3
Alan Cressler:
altamaha park road, flood april 14, 2009, one-half mile from altamaha regional park, glynn county, georgia, chris walls 5
Alan Cressler:
altamaha park, flood april 14, 2009, glynn county, georgia 2
Alan Cressler:
altamaha regional park, flood april 14, 2009, glynn county, georgia 1
Alan Cressler:
altamaha regional park, flood april 14, 2009, glynn county, georgia 5
Alan Cressler:
altamaha regional park, flood april 14, 2009, glynn county, georgia 6
Alan Cressler:
altamaha regional park, flood april 14, 2009, glynn county, georgia 7
Alan Cressler:
altamaha regional park, flood april 14, 2009, glynn county, georgia 8
Alan Cressler:
altamaha regional park, flood april 14, 2009, glynn county, georgia 9
Alan Cressler:
altamaha river, active erosion, upstream of u.s. highway 1, toombs county, georgia 1
Alan Cressler:
Altamaha River, Altamaha Regional Park, Flood April 14, 2009, Glynn County, Georgia 1
Alan Cressler:
Ambystoma maculatum larvae (dead) displaying classic symptoms of a ranavirus 1
Alan Cressler:
Ambystoma maculatum larvae (dead) displaying classic symptoms of a ranavirus 2
Alan Cressler:
Ambystoma maculatum larvae (dead) displaying classic symptoms of a ranavirus 3
Alan Cressler:
angelo & son's seafood restaurant, ocklockonee bay at u.s. 98, panacea, wakulla and franklin counties, florida 1
Alan Cressler:
Anolis sagrei (male), Bahia Honda Key, Bahia Honda State Park, Monroe County, Florida 3
Alan Cressler:
Apalachicola River, from Alum Bluff, Garden of Eden Trail, The Nature Conservancy, Apalachicola Bluffs and Ravines Preserve, Liberty County, Florida 2
Alan Cressler:
Atlanta, from I-75 north, Atlanta, Fulton County, Georgia 1
Alan Cressler:
Traffic, Interstate 75, Atlanta, Fulton County, Georgia 2
Alan Cressler:
Traffic, Interstate 75, Atlanta, Fulton County, Georgia 3
