Earliest Wisconsinan sediments and soils
[by] John C. Frye ... [et al.].

APA Citation

Frye, J. Chapman., Illinois. Dept. of Registration and Education., Illinois State Geological Survey. (1974). Earliest Wisconsinan sediments and soils. Urbana: Illinois State Geological Survey.

MLA Citation

Frye, John Chapman, 1912-, Illinois. Dept. of Registration and Education, and Illinois State Geological Survey. Earliest Wisconsinan Sediments And Soils. Urbana: Illinois State Geological Survey, 1974.

Warning: These citations may not always be complete (especially for serials).