288 
FLORIDA STATE GEOLOGICAL SURVEY. 
Quartz sands as below 230 feet, beds of soft friable sand¬ 
stone with shell casts; gravel bed with much worn 
pebbles up to 40 mm. long; tough green, limy clay at 
407 to 410 feet . 400-435 
Quartz sands with little sandstone, tough, dark clay in 
occasional streaks . 435-700 
KEY WEST. 
Two deep wells have been drilled at Key West. The first of 
these, drilled in 1895, is reported to have reached a depth of 2,000 
feet. The water obtained from this well was too salty for drink¬ 
ing purposes, but is used for fire protection. The following is a 
log of this well, taken from the Second Annual Report of this 
Survey, page 206, abbreviated from the detailed description given 
by E. Q. Hovey, of samples from this well: 
Feet. 
Yellowish oolite . 0- 25 
White yellowish or light gray limestone, with oolitic 
lumps .. 50- 175 
Fine white lime-sand rock . 175- 200 
White, porous oolitic and sandy limestone. 200- 275 
White, more or less solid limestone. 300- 375 
Friable soft gray lime-sand rock. 400- 675 
Yellowish to brownish lime-sand rock, Orbitoides , 800 
to 850 feet . 700-1075 
Fight gray, partly dense and partly porous limestone... 1100-1175 
Gray lime-sand rock. 1200-1350 
Yellowish gray lime-sand rock, with some porous lime¬ 
stone . 1375-1450 
Lime-sand rock, varying in color and compactness, with 
strata of dense limestone . 1475-1975 
Yellowish to light brownish-gray limestone, rather 
solid, with porous portions . 1975-2000 
A second deep well was drilled at this locality by J. T. Brown 
for S. O. Johnson. This well is 1,010 feet deep and reached salty 
water. Occasional samples of the drillings from this well to a 
depth of 540 feet were forwarded to the Florida State Geological 
Survey. Below 540 feet only one sample was received, which was 
submitted as representing the material from 800 to 1,010 feet. 
The following partial log is made up from these occasional 
samples: 
