188 



Report of the State Geologist. 



Cornell University by Prof. C. S. Prosser. This well is situated about one 

 and one half miles south of the head of Cayuga Lake, and its mouth is 

 eighteen feet above the level of Cayuga Lake and 396 feet A. T. 



The following is the section according to the record published by 



Professor Prosser : 



Portage shales ..... 340 feet. 



Genesee slate • • • - 100 " 



Tully limestone ■ • - - 30 " 



Hamilton group ..... 1142 " 



Marcellus shale - - - - 82 " 



Corniferous (Onondaga) limestone • - - 78 " 



Oriskany sandstone ■ • - - 13 " 



Lower Helderberg limestone - - - - 115 " 



Shale - 344 « 



First salt, at 2244 feet • - - - 24 " 



Shale - - - - - 6 ' 



Second salt • - - - - 54 " 



Shale - - - - 12 " 



Third salt - - - - 17 '' 



Shale - - - - - 31 " 



Fourth salt - . - - - 21 " 



Shale - - - - - 67 



Fifth salt - - - - - 42 * 



Shale . - - - 24 " 



Sixth salt - • - - - 48 " 



Shale - - - - - 82 « 



Seventh salt • - • . . 42 < « 



Green shale ...... 308 " 



Mottled red and green shale - • - - 6 " 



Green shale ...... 157 «» 



3185 



In 1886, a well was sunk at Morris ville, Madison county, in which rock- 

 salt was found. 



The record as reported by Professor Prosser is as follows: 

 Altitude of mouth of well 1200 feet A. T. approximately. 

 Hamilton shales ..... 340 feet 



Marcellus - - • • - 31 " 



