296 FLORIDA STATE GEOLOGICAL SURVEY. 
Page. 
Lafayette formation, description of.141,263 
Lake City, altitude of.. 29 
section at ..... 73 
Lake County, kaolin of..... 242 
Lake Okeechobee . 189 
Lake region of Florida... 32 
Lakes of Florida ... 31 , 33 
Langdon, D. W.. ...50, 67, 68 , 90, 265 
Laporitieres Spring, section at.... ... 90 
LeConte, John . •. 61,214 
Leon County, fullers earth of. 286 
phosphates of . 239 
Levyville formation . 63 
Liberty County, fullers earth of... 286 
phosphates of . 238 
Lime . 245 
Limestone, ground .. 245 
Loss of phosphate in mining.... 240 
Lostmans River limestone, description of. 222 
McCallie, S. W. 67 
McClelland’s farm, section at........ . 103 
McCullough’s Bridge, section at.... 144 
McGee, W. J. 265 
MacGonigle, Dr. J. N. 27,178 
Malachite, occurrence of . 250 
Mangroves . 194 
Manatee County .. 289 
Marathon, record of wells at. 205 
Marls in Southern Florida. 228 
Matson, G. C. ... ..25, 27, 178 
Marion County, fullers earth of. 289 
limestones of . 248 
phosphates of .. 235 
Marianna, section at . 57 
well record at . 57 
Marianna limestone . 52 
Maury, C. J...56, 63, 78, 266, 268 
Meredith, J. C... 27, 178 
Merrill, G. P......... 257 
Middleburg, section 2 miles above. 112 
Miami oolite . 211,246 
Miliolite limestone . 66 
Mineral-bearing lands, relation of the Survey to... 15 
Mineral matter removed in solution. 33 
Mineral industries . 235 
Miocene deposits . 106 
Miocene underlying Southern Florida. 207 
Mortar, materials for ....... .. 247 
Mossyhead, altitude of . 30 
Nashua marl, description of. ..... 128 
fossils from .....130, 131, 132,133 
Natural bridges ./. 36 
