Printed map. "Entered according to Act of Congress in the year 1870 by S. Augustus Mitchell Jr. in the Clerks Office of the District Court for the Eastern District of Pennsylvania". Visual scale [37 mm=60 miles]. Map shows counties, towns and waterways. Page numbered "9" in lower right margin. Likely from Mitchell's New General Atlas; edition unconfirmed. Donated by Dr. Les Shemilt.