Thesis (Ph. D.)--Johns Hopkins University, 1907. / "All references to figures are to the Lower Devonian report of the Maryland geological survey in which these plates and text were published." Life. Also available in print.
Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/495850818 |
Date | January 1913 |
Creators | Ohern, Daniel Webster, |
Publisher | Baltimore : Johns Hopkins Press, |
Source Sets | OCLC |
Language | English |
Detected Language | English |
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