00801cam a22002411 4500 gs 13000026 DLC 20260227111314.0 760223s1912 ilua 000 0 eng gs 13000026 (OCoLC)2006519 DLC ViW DLC premarc QE106.S3 C8 YA 28436 Copy no. undetermined. Crook, A. R. (Alja Robinson), 1864- Geology of Sangamon County, by A. R. Crook ... 1912. Springfield, Ill., Illinois State journal co., state printers, 1912. 24 p. illus. 23 cm. "Literature on Sangamon County geology": p. 24. Geology Illinois Sangamon County. YA Pamphlet Collection (Library of Congress) DLC 25222 25222