I?0 [Assembly 
Composition of a pint of the water from the Congress Spring. 
According to Prof. J. F. Dana. Grs. 
Chloride of sodium, 54 . 3 
Carbonate of lime, 18.0 
Carbonate of magnesia, 4.0 
Carbonate of soda, 2.0 
Silica, with a trace of iron, 
Total, 78.3 
Cubic inches. 
Carbonic acid gas, 39 . 1 
Azote, 0.9 
Gaseous contents, 40 . 0 
According to Dr. Steel. Grs. 
Chloride of sodium, , 48 . 13 
Hydriodate of soda, 0.44 
Bicarbonate of soda, 1 . 12 
Bicarbonate of magnesia, 11 . 97 
Carbonate of lime, 12 . 26 
Carbonate of iron, 0 . 63 
Silica, 0.19 
Hydrobromate of potassa, trace, 
Total, 74.73 
Cubic inches. 
Carbonic acid gas, 39 . 00 
Atmospheric air, 0 . 87 
Gaseous contents, . , 39 . 87 
The temperature of these springs is said to be uniformly 50° F. 
Ballsion Springs. — The springs at Ballston are mostly situated in the 
valley of the stream which passes through the village. The bed of this 
stream is slate, and it is probably in this formation that the carbonated 
waters have their origin. 
An interesting group of springs occur in this village near the present 
bathing house. ' Here we have the United States spring, which is acidu- 
lous; at the distance of nineteen feet is the Fulton Chalybeate spring; 
while in an opposite direction, and within twelve feet of the former, is 
