Lloyd's map of the Great Oil Region of Allegheny River, Cherry & Cherry-Tree runs, and Pithole Creek : in Cornplanter, Cherry-Tree & Allegheny townships, Venango County, Pennsylvania

Shows real-property tracts, owners' names, oil-well locations, and oil-well operators' names.
Hand col. to emphasize property tract lines and township boundaries.
Relief shown by hachures.
Personal signature in ink script at lower margin: J.T. Lloyd.
"Entered according to Act of Congress in the year 1864 by J.T. Lloyd in ... the Southern District of the State of New York."
Available also through the Library of Congress Web site as a raster image.
LC copy imperfect: Stain-spotted, fold-lined, halved to enable folding.
Includes text and publisher's advertisements.
2 copies