Vol. s3-40, Issue 239, 1890November 01, 1890 EDT
Preglacial Drainage and Recent Geological History of Western Pennsylvania
Preglacial Drainage and Recent Geological History of Western Pennsylvania
P. Maxwell Foshay,
Foshay, P. M. (1890). Preglacial drainage and recent geological history of western Pennsylvania. American Journal of Science, s3-40(239), 397–403. https://doi.org/10.2475/ajs.s3-40.239.397