05110

Title: 
Trempealeau dolomite in quarry at Prairie Star School, Ogle County, Illinois
Date: 
1950s
Keywords: 
Anticlines; Cambrian; Dolomite; Faults (geology) Franconia Formation; Illinois; Lower Ordovician; Paleozoic; Sandwich Fault Zone; Shakopee Formation
Added Entries: 
Willman, H.B.; Templeton, J.S.; Circular 179
Notes: 
Figure 5, Circular 179; SW1/4 SW1/4 SE1/4 Sec. 5, T22N, R11E, Ogle County; No negative