INDEX. 
391 
Page 
Peat, analyses of.298-305 
as agricultural soil.310-312 
bibliography of . 358-366 
conditions necessary for formation of.211-212 
definition of . 209-211 
deposits, classification of.205-206,230-232 
general distribution of.212-214 
investigation of.^.... 12, 199 
paper on ...... 197 
uses of . 210,306-309 
Peat prairies ...231, 274-276, 300,303 
Pebble conglomerate in phosphate-bearing formation. 22, 31 
Pebble phosphate, description of. 23 
production of in 1909.. 40, 41 
Peck, I. C., log of well by.. 147 
well drilled by.... 148 
Peck, L. A., well of. 187 
Penial, well at.. ... ... 165 
Pensacola, wells at.'.. 124 
Peoria, well at.159-160 
Perry, well at...123, 125 
Petion, Paul, well of. 174 
Phosphate, origin of. 31 
Phosphate, paper on. 17- 41 
Phosphate companies operating during 1909. 39 
Phosphate deposits, irregularity of. 23 
Phosphate in lime-sink region. 221 
Phosphate rock, description of. 23 
Phosphate-bearing formation, relation of to underlying formations. 24 
thickness of. 29, 30 
Phosphorus, amount removed by solution. 51 
Physa. 280 
Picolata, well at.148-149 
Pierce Phosphate Co., exposures in pits of.*. 35, 37 
Pierson, wells at. 181 
Pierson, N. L., well of. 181 
Pilsbry, H. A., shells examined by. 280 
Pisidium . 280 
Planorbis. 280 
Plant City, exposures of phosphate near.'_ 35 
Plate and fragmental phosphate rock, origin of. 31 
Plate rock phosphate, description of. 28 
stratification of. 28 
Pleistocene of eastern Florida. 91 
Pliocene of eastern Florida. 90 
Pocosins of North Carolina.... 257 
Polk Co., phosphates of. 36 
wells of . 123 
Polygyra . 280 
Prairie Pebble Phosphate Co-,'exposures in pits of. 36 
Prairie lands, description of. 97 
