642 THE ILLINOIS GLACIAL LOBE. 



Wells of Lasalle County outside the Marseilles moraine — Continued. 



Owner or locution. 



Porterfield's 

 Meudota. 



»as wells near 



Feet. 

 700 to 725 



Blauchard's gas well, near 



Mendota. 



Sec. 26, T. 35, R. 1 E 



Mr. Fiufsen, 6 miles S. from 



Mendota. 



Sec. .32, T. 35, R. IE 



Sec. 26, T. 35, R.2E 



Sec. 23, T. 35, R. 2 E 



Sec. 32, T. 35, R. 2 E 



Sec. 35, T. 35, R. 2 E 



Sec. 34, T. 35, R. 2 E 



Sec. 5, T. 34, R. 2 E 



Sec. 4, T. 34, R. 2 E 



J. Bo wen, near Serena 



H. Bowen, near Serena 



Serena and vicinity 



Sheridan Junction 



Sheridan 



Sec. 27, T. 33, R. 2 E 



Sec. 33, T. 33, R. 2 E 



Sec. 23, T. 33, R. 5 E 



Sec.5,T.33,E.2E 



See. 28, T. 33, R. 2 E 



Mr. Kistler, S. Ottawa 



Ottawa waterworks 



Grand Ridge Station 



Sec. 21, T. 32, R. 3 E 



Farm Kidge 



R. Williams, 9 miles north of 

 Streator. 



One mile from preceding 



One mile from preceding 



Sec. 17, T. 32, R. 1 E 



Sec. 18, T. 31, R. 4 E 



Sec. 34, T. 31, R. 4 E 



Feet. 

 176 



Five wells 120 to 176 feet; deepest reaches rock ; 



black muck or soil with leached subsoil between 



till sheets at about 600 feet above tide ; gas in 



sand above old soil. 

 Yellow till, 10 feet; blue till, 56 feet; sand with 



gaa, 96 feet ; Trenton limestone, 56 feet. 

 Trenton limestone at 46 feet. 

 Well enters Coal Measures shale below drift at 143 



feet. 

 Gas from gravel below till. 

 Three "wells of similar depth and structure : yellow 



till, 16 feet; blue till, 85 feet; gravel, 20 feet. 

 Rock at bottom. 

 No rock ; mainly till. 



Rock at bottom; mainly till. Two wells. 

 No rock ; mainly blue till. 

 No rock ; mainly blue till. 

 Entirely till. 



Till, 40 feet; sand and gravel, 64 feet. 

 Enters sandstone at bottom. 

 Mainly blue till, 50 or 60 feet; sand and gravel, 15 



or 20 feet ; St. Peter sandstone at 75 or 100 feet. 

 Mainly till; no rock. 

 St. Peter sandstone at 12 to 16 feet. 

 No rock ; mainly till. 

 No rock ; mainly till. 



Very hard red till near bottom under soft blue till. 

 No rock ; mainly till. 

 Rock at 50 feet. 

 Gravel, 30 feet ; till at bottom. 

 Mainly gravel and sand; no rock. 

 Till, 120 feet; sand and gravel to bottom. 

 Till, 140 feet; sand and gravel, 60 feet. 

 Mainly sand ; no rock. 

 No rock ; blue clay with some sand. 



AVater rises 87 feet. 



St. Peter sandstone at bottom ; water brackish. 



Till about 50 feet; sand about 100 feet; rock at 



bottom. 

 Mainly sand and gravel ; shale at bottom. 

 No rock; entirely till. 





