Vol. s3-15, Issue 88, 1878April 01, 1878 EDT
On the Surface Geology of Southwest Pennsylvania and Adjoining Portions of Maryland and West Virginia
On the Surface Geology of Southwest Pennsylvania and Adjoining Portions of Maryland and West Virginia
Stevenson, J. J. (1878). On the surface geology of southwest Pennsylvania and adjoining portions of Maryland and West Virginia. American Journal of Science, s3-15(88), 245–250. https://doi.org/10.2475/ajs.s3-15.88.245
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