P-ISSN 0002-9599
E-ISSN 1945-452X
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