PETROLEUM POSSIBILITIES OE FLORIDA 
105 
below this no casing used. Salt water is reported at about 1,300 feet.* 
From an examination of the debris on the dump it is believed that this 
well entered or passed through the Eocene. 
GLADES COUNTY 
Glades County lies west of Lake Okeechobee. The land is prevail¬ 
ingly level and there are few natural exposures. Pleistocene and Plio¬ 
cene shell marls underlie the southern part of the county, having been 
exposed by canal cutting. 
The deepest well in Glades County of which record has been obtained 
is the one owned by the Florida Ice and Power Company, of Moore 
Haven. This well was begun in May, 1918, and completed July, 1919. 
C. M. Boland, of Bartow, contractor ; R. A. Black, driller in charge, 
when well was completed. Total depth, 806 feet. 
The following partial log of this well was obtained through corre¬ 
spondence with Mr. Black, dated July 15, 1919: 
Log From 642 to 7Q4. Feet 
Sandy lime ... 
Dark marl . 
Shell . 
Blue marl ..... 
Shell . 
Brown marl __.. 
Dark shell .... 
Black sand __ 
Limestone, hard drilling 
Depth in feet. 
642-707 
....... 707-748 
....... 748-753 
....... 753-765 
....... 765-772 
....... 772-785 
....... 785-789 
...... 789-794 
. 794-798 
Flowing salt water at 792 feet. Six-inch casing set in at 792 feet and driven to 
794 feet 10 inches, cutting off salt-water flow. At 798 feet flow of fresh water 
obtained, reported pressure of 18 pounds. Capacity, 800 gallons per minute. 
HAMILTON COUNTY 
Hamilton County is located in north Florida, its northern boundary 
being the Georgia-Florida state line. The Suwannee River forms its 
east and south boundaries and the Withlacoochee River its west bound¬ 
ary. Over the greater part of this county the Alum Bluff formation 
(Miocene) lies at or near the surface. In this respect the county af- 
*Notes from letter August 1, 1921, from Mr. J. L. Shepard, on whose property 
the above well was drilled. 
