Vol. s3-42, Issue 249, 1891September 01, 1891 EDT
Pleistocene Fluvial Planes of Western Pennsylvania
Pleistocene Fluvial Planes of Western Pennsylvania
Frank Leverett,
Leverett, F. (1891). Pleistocene fluvial planes of western Pennsylvania. American Journal of Science, s3-42(249), 200–212. https://doi.org/10.2475/ajs.s3-42.249.200