76 FLORIDA GEOLOGICAL SURVEY-I 4 TH ANNUAL REPORT 
stone is but imperfectly known from drilling records, but may be in¬ 
ferred from exposures and records elsewhere. A well drilled near 
Greensboro, as indicated by samples seen on the dump, reached lime¬ 
stones of Eocene age. The depth and thickness of the limestone, how¬ 
ever, was not determined. The well was drilled to a total depth of 
about 1,750 feet. 
The character of materials to be drilled through in this area is indi¬ 
cated by the following log of a well drilled at Quincy: 
Partial Log of the Well of the Owl Commercial Company at Quincy* 
Feet. 
Quartz sand, fine to coarse, white..................... 101 - 449 
Clay, yellow ....1..... 110 - ... 
Limestone, white, soft, sandy, or marl.'i.LlLi-.-A-C. 118 - 132 
Clay, light brownish... 133^2- 154 
Limestone, soft, white, light gray, and greenish; lots of fossil shells... 191 - 200 
Limestone, hard, light brownish; lots of shells. - 200 
Limestone, soft, white, and greenish clay.. 200 - 210 
Clay, dark brown.....!.... 260 - 263^ 
Quartz sand, medium white; bits of limestone and dark-brown clay. - ... 
Sand, coarse, light gray, or greenish, limey, or soft, sandy limestone... 284 - 287 
Limestone, hard, porous, gray, and brownish. 289 - 290 
Same; partly silicified..... 290 Yz- ... 
Limestone, soft, porous, white. 302 - 309 
Limestone, soft, light drab, sandy. . 315 - 316 
Limestone, soft, light drab... 319 - 322 
Same . ... - ... 
Marl, gray, sandy. 391 - 392 
Marl, light gray, sandy, or soft limestone. 410 - 412 
Marl, light drab, or soft limestone...,. 442 - ... 
Clay or soft shale, light gray and greenish, limey. 453 - 454 
Limestone, porous, white. 470 - 474 
Limestone, white and light, porous.,. 476 - 480 
Limestone, hard and soft, light brownish. 491 - 495 
Same; fragments of shells and coal (?). 495 - 505 
Same ...MM MML..:. 506 - 507 
Same; hard layer, more or less crystalline... 508 - 529 
Limestone, brown, porous, sugary-looking.:..-.. 562 - 566 
Same ......1.... .... 566 - 574 
Limestone; white and light brownish; made up of bits of shells, 
Bryozoa and Nummulites. 1 .;. 576 - ... 
Same; white and light brownish. 591 - 593 
Limestone, light brown, porous, sugary-looking; denser and gray 
in places...|.......„ 618 - 625 
Limestone, light brown, porous, sugary. 623 - 637 
Limestone, light brownish, porous. 672 - 680 
Limestone, light brownish. 1 ... 693 - 699 
Limestone, white; with numerous fragments.... 699 - 704 
Same; with Orbitoides (?). 705 - 713 
Limestone, porous, light brownish. 728 - ... 
*U. S. Geol. Surv., Water Supply Paper 319, pp. 310-311, 1913. 
