S. GEOLOGICAL 



A. EXPOSURE ON FARM CREEK, 7 MILES EAST OF PEORIA, ILLINOIS. 



fa) Bloom, ngton gravel terrace, 8 feet ; (6) Shelbyville till sheet, 14 feet; tc) lowan loess, 1 feet ; id) lllinoian till, 30 feet. 

 (View taken by Dr. Samuel Calvin, May, 1898.) 



B EXPOSURE IN A RAILWAY CUTTING ON THE TOLEDO, PEORIA AND WESTERN RAILWAY, 7 MILES EAST 



OF PEORIA, ILLINOIS. 



(a) Bloomington gravel and cobble on slope, 6 feet; (61 Shelbyville tilksheet, 8 feet; fc) lowan loess, 6 feet; id) Sangamon peat bed, 

 3 to 5 feet: lei Silt below peat, 2 to 5 feet. Below the silt there is 'lllinoian till leached and weathered at top, 4 feet, beneath which 

 it is calcareous. (View taken by Dr. Samuel Calvin, May, 1898.) 



