P-ISSN 0002-9599
E-ISSN 1945-452X
Vol. 246, Issue 1, 1948January 01, 1948 EDT
Geomorphic Studies in the Appalachians of Pennsylvania
Geomorphic Studies in the Appalachians of Pennsylvania
Pierre F. de Bethune,
de Bethune, P. F. (1948). Geomorphic studies in the Appalachians of Pennsylvania. American Journal of Science, 246(1), 1–22. https://doi.org/10.2475/ajs.246.1.1