MISSOURI BOTANICAL GARDEN. 
ernie 
jy PETOSKEY 
SV LITTLE 
sf TRAVERSE BAY 
WISCONSIN MICHIGAN 
Rt en wm emecnwens 
ILLINOIS INDIANA 
SAINT LOUIS 
“"Nertesves GENERAL MAP 
OF THE 
AREAS STUDIED 
t. CROOKED RIVER SWAMP 
2, TAMARACK-BLACK SPRUCE SWAMP 
3. ARBOR VITAE SWAMP 
4. LAKE CALUMET 
5. HORSESHOE LAKE 
6. SAINT FRANCIS RIVER SWAMP. 
SWAMP AREAS 
