Columbia subject headings:
Conservation of natural resources--Florida--Shellcracker Haven.
Human ecology--Florida--Shellcracker Haven.
Shellcracker Haven (Fla.)--Description and travel.
Shellcracker Haven (Fla.)--Economic conditions.
Harvard subject headings:
Alligator farming--Florida--Oklawaha River Watershed.
Conservation of natural resources--Florida--Shellcracker Haven.
Ethnology--Florida--Oklawaha River Watershed.
Fisheries--Florida--Oklawaha River Watershed.
Human ecology--Florida--Shellcracker Haven.
Natural resources management areas--Florida--Oklawaha River Watershed.
Oklawaha River Watershed (Fla.)--Social life and customs.
Shellcracker Haven (Fla.)--Description and travel.
Shellcracker Haven (Fla.)--Economic conditions.
Princeton subject headings: