INDEX 
151 
Page 
Peace Creek, fossils from---118 
Peat -—_ i ___ 67 
Peneroplis __ 93 
Peninsula Florida, age of formations underlying_ 98 
substructure of _121 
time of origin of _120 
Phosphate ---1---115, 116 
origin of in Florida- 116 
Piedmont area ------.-99, 100 
Planorbis rock___ 73 
Pleistocene -78, 84, 94, 95, 103, 118, 131 
Pleistocene age of human remains___1, 2 
Pliocene -69, 73, 84, 94, 95, 117, 131 
discussion of as shown by well samples_103 
Polk County ____:________117, 119 
Miocene and Oligocene formations of —- 69 
samples from well in —____—--- 80 
Polystomella -:-------- 93 
Ponce de Leon well, study of samples from_ 85 
Publications issued by the Survey--- V 
Putnam County_ r ____117 
0. 
Quitman mountains, fossils from Florida correlated with those from the_ 97 
R. 
Railroads operating in Florida, assistance from___ 9 
Rainfall in Florida_ 109 
Reef in Lake Okeechobee_-_*_ 74 
Relation between topography and geology_106 
Relation of Fort Thompson Beds to Miami Oolitic limestone_ 75 
Rio Grande River, fossils from Florida correlated with those found near_ 97 
Rita Island ____’_ 74 
Riverdale, depth to Eocene limestone at_ 124 
Rock Bluff, exposure of Chattahoochee formation at_ 114 
Rotalidae --87, 89, 93 
S'. 
St. Augustine, depth to Eocene and Lower Cretaceous at_98, 124 
Miocene in well at_ 103 
study of samples from well at_79, 85 
