On the First Systematic Collection and Discussion of the Venango County Oil Wells of Western Pennsylvania

Autor:	Nettleton, E. S.
Zdroj:	Proceedings of the American Philosophical Society, 1877 Jan 01. 16(99), 429-495.
Databáze:	JSTOR Journals
Externí odkaz:	https://www.jstor.org/stable/982476 Zobrazit plný text záznamu