Credit: The Robert N. Dennis Collection of Stereoscopic Views (NYPG91-F314 086z) Courtesy of the New York Public Library
A lack of knowledge about geology led oil prospectors to drill wells virtually anywhere, and to drill many wells at a productive site. Triumph Hill, near Tidioute, Warren County, boasted the highest density of wells in the oil region. Fifty derricks can be seen in this view.
