88 GEOLOGICAL SURVEY OF WISCONSIN. 



AT TESTERIT UNIOIT JUNCTION. Feet. 



Earth 147 



Lime rock 233 



Shale 200 



Lime rook 285 



Sandstone '100 



Sandy lime 141 



Struck St. Peters Sandstone ni06 



DepthofweU ^263 



AT MADISON. Feet. 



Earth 75 



Sandstone 525 



Shale 4 



Second Sandstone . 18 j 



Trap rook 5 



Total depth 795 



Water does not rise above surface of ground, but it supphes a large pump, without 

 any apparent loss of volume. 



MiKEEAL Springs. — In addition to the analysis of Wisconsin 

 spring waters given in previous reports of the survey, two are especi- 

 ally noteworthy. 



Prof. C. r. Chandler, Ph. D., Chemist to the New York School of 



Mines, gives the following analysis of the water of the Beloit lodo- 



Magnesian springs : 



Gh-ains in 1 gallon. 



Chloride of Sodium 0-3362 



Bronude of Sodium trace. 



Iodide of Sodium 0.0049 



Bi-carbonate of Soda 0. 1406 



Bi-carbonate of Magnesia 12.2803 



Bi-carbonate of Lime 14.5196 



Bi-carbonate of Iron , 0.0396 



Sulphate of Lime 0. 1326 



Sulphate of Potash 0.3123 



Phosphate of Soda O.OlO-t 



Alumina 0.0590 



Sihca . 7581 



Organic Matter , trace. 



Total per U. S. gallon of 231 cubic inches 28.5936 



Prof. Gustavus Bode, Chemist to the Wisconsin Geological Survey, 

 gives the following analysis of the water of a very remarkable ar- 

 tesian well at Sheboygan : 



' struck araall flow. 



' Pound IB feet limestone in the eandstone. 



3 Sandstone again to bottom mixed with red rock. 



