The Orleton Farms mastodon / Thomas, Edward S. - Columbus, OH. enth.: Geological situation of the Orleton Farms mastodon / Richard P. Goldwaith. Pollen spectra associated with the...

von Thomas, Edward S. 1891-1975
Veröffentlicht in The Ohio journal of science ; 52.1952, no. 1, S. 1-27 : 5 Ill. ; 5 Tab.
1952.