David Dale Owen and Joseph Granville Norwood: Pioneer Geologists in Indiana and Illinois

Autor:	Kimberling, Clark
Zdroj:	Indiana Magazine of History, 1996 Mar 01. 92(1), 2-25.
Databáze:	JSTOR Journals
Externí odkaz:	https://www.jstor.org/stable/27791891 Zobrazit plný text záznamu