CoN Rain: PN a) eas Sole all a: 1 Tr Gn nea 'h me Men mT” Seay 2 ae 
i. * a | ¥ ee hue? zl ie Sorat Bea. 
C. M. Wetherill on the Artesian Well of Lafayette, Ia. 247 
SOLID INGREDIENTS, 
: In 1000 parts by Grains in awine 
. 2 weight. pint. 
Residue by evaporation, Pure water,........+. 992°75 7274°446 
Solid ingredients,...... 72 ; 
100000 7327°570* 
INGREDIENTS BY ANALYSIS, 
Carbonate of lime, ....... Déshe kxtmiedee Sinn 0054 1508 
Carbonate of magnesia,.............eeecees 0°0069 0°050 
Peroxyd of iron with alumina, ...........+- 
Phosphate of lime, fluorid of calcium,.......-. 00085 0-062 
And a faint trace of manganese, ..........-+: 
eer ere Pee oe 0:0080 0-058 
MeO iig s,s 09555 7-002 
lorid of calcium,...... emir. FER Piet | pi 0°465 
Chlorid of magnesium,...,..........s000... 59 3-707 
= ot BREE Ee ee eee Pe 55402  40°596 
of iodine and organic matter,......-...- 
Bromine doubtful,. . . : seb Pheeel ees He 
7°2937 53°443 
I have recalculated the analyses of the principal sulphur 
waters of the United States to the same sure, 
and tabulated them as follows, for the sake of a ready compari- 
i e). 
and the chlorid of ealcium, contained above in the Lafayette 
Water. The latter water contains less sul huretted hydrogen, 
and carbonic acid, and less solid matter. It is curious that the 
On salt bears almost exactly the same ratio to the rest of 
te Sglts in both- waters. 
. Total Salts. Common Salt. 
- Blue Lick, Lafayette. Blue Lick. Lafayette. 
T* ct: 8 -: 64 : x42 
The common salt (x,) in the Lafayette waters, is by experi- 
bo Nearly 41: : 
Tound numbers one and a half pints of the Lafayette water 
th 48 much common salt as one ae of the Blue Lick water. 
ae magnesia salts bear a greater proportion to the rest of the 
N's in the Lafayette water than in the Blue Lick. 
Rion is the weight of a wine pint of the artesian water; the weight of the 
ivale @ of pure water being 7291-11 grains. 
dc to. bonate of the protoxyd of iron 0-0061 per mille. 
