Vol. 245, Issue 11, 1947November 01, 1947 EDT
The Iowan Drift Border of Northwestern Iowa
The Iowan Drift Border of Northwestern Iowa
Guy Donald Smith, Frank Frederick Riecken,
Smith, G. D., & Riecken, F. F. (1947). The Iowan drift border of northwestern Iowa. American Journal of Science, 245(11), 706–713. https://doi.org/10.2475/ajs.245.11.706