148 FLORIDA GEOLOGICAL SURVEY-TWELFTH ANNUAL REPORT 
Page 
J. 
Jacksonville, depth to Eocene limestones at ---124 
depth to Lower Cretaceous__ 98 
study of samples from well at---79, 84 
Jacksonville formation -85, 103, 115 
K. 
Key Largo limestone ___118, 131 
Key Vaca, study of samples from well on_«_94, 100 
Key West, depth to Eocene limestone at _ 68 
mean annual temperature and rainfall at_ 109 
Key West limestone -_118 
Kissimmee River-..- tii 
Knights Key, depth to the Miocene on_ 69 
L. 
LaBelle, geologic .exposures near-__-70, 71 
Laganum crustuloides ------ 92 
Lake City, beetles from —-- 6 
Lake County, samples from well in -- 80 
Lake Flirt, exposures along the canal through- 76 
Lake Flirt marl - 73 
Lake Hicpochee- 74 
Lake Okeechobee _67, 71, 107 
area of - 68 
sub-structure of _.___67, 74 
Lake Region --107, 126 
Lee County, samples from well in ___80, 93 
Leeward Islands, fossils from---95, 102 
Lepidocyclina_82, 83, 84, 85, 86, 87, 88, 90, 91, 92, 93, 95, 96, 101, 102 
Liberty County, topography of -107 
Lime-sink region of Florida--— in 
Limestones, effect of solution of on topography-106, 107 
for use as material for concrete work - 74 
Little Sarasota Inlet, fossil shells from- 70 
Lostman’s River limestone----- 118 
Louisiana, beetles from - 6 
Lower Cretaceous 
78, 82, 84, 88, 90, 91, 92, 94,196, 97, 98, 99, 100, 102, 119, 120, 121, 123 
fossils characteristic of- 97 
general discussion of the_._ 98 
structure of __—,—— -101 
