170 
FLORIDA STATE GEOLOGICAL SURVEY. 
Constituents. Parts per million. 
Silica, (Si0 2 ) . 24.0 
Chlorine, (Cl) . 30.0 
Sulphates, (SO 4 ) . 133.0 
Phosphates, (PO 4 ) . 0.0 
Carbonates, (CO 3 ) . 0.0 
Bicarbonates, (HCO 3 ) . 195.0 
Sodium and Potassium (Na & K). 30.0 
Magnesium (Mg) . 13.0 
Calcium (Ca) . 55.0 
Iron and Alumina, (Fe & Al).Trace 
Toss on Ignition. 130.0 
Total dissolved solids.. 500.0 
A well just across Amelia River and about two miles south¬ 
west of Fernandina was driven by James Jones for L. G. Hirth. 
The well is 94 feet deep, two inches in diameter and the water 
stands 7 feet below the surface. 
The following is an analysis of the water from this well made 
by Dr. E. R. Flint, Chemist, University of Florida, Gainesville, 
Fla.: 
Constituents. Parts per million. 
Free Ammonia . None 
Albuminoid Ammonia .Slight Trace 
Nitrites ...SlightTrace 
Nitrates . None 
Chlorine . 20.40 
Total Solids . 192.01 
Organic and Volatile Solids. 30.00 
Hardness (CaCOs) .. 54.85 
Permanent Hardness . None 
HILTIARD. 
Hilliard is located in northwestern Nassau County, on the 
Atlantic Coast Line Railroad, and about eight miles distant from 
the St. Marys River. No flowing wells have been reported in 
this part of the county, the elevation being too great. The eleva¬ 
tion of the depot at Hilliard as recorded by the Atlantic Coast 
Line Railroad is 66 feet. Mr. D. W. Griffing has kindly fur- 
