Oil region of Venango County, Pennsylvania., Louis N. Rosenthal, 1866

Sectional cadastral maps showing real-property tracts and owners' names. Does not show oil deposits or wells. Map orientation differs. Lc copy imperfect: missing small marginal sections at sheet edges, small stain at upper sheet edge. Available also through the library of congress web site as a raster image. Date: 1866. Oil region of Venango County, Pennsylvania. LOC 2012592218