Columbia subject headings:
Harvard subject headings:
Natural history--Okefenokee Swamp (Ga. and Fla.)
Okefenokee Swamp (Ga. and Fla.)
Princeton subject headings:
Geochemistry--Okefenokee Swamp (Ga. and Fla.).
Geology--Okefenokee Swamp (Ga. and Fla.).
Natural history--Okefenokee Swamp (Ga. and Fla.).
Okefenokee Swamp (Ga. and Fla.)