Mineral zonation of Woodfordian loesses of Illinois /
[by] John C. Frye, H. D. Glass [and] H. B. Willman.

APA Citation

Frye, J. Chapman., Willman, H. B. (Harold Bowen)., Glass, H. D. (Herbert David). (1968). Mineral zonation of Woodfordian loesses of Illinois. Urbana: Illinois State Geological Survey.

MLA Citation

Frye, John Chapman, 1912-, H. B. (Harold Bowen) Willman, and H. D. (Herbert David) Glass. Mineral Zonation of Woodfordian Loesses of Illinois. Urbana: Illinois State Geological Survey, 1968.