Also in ink on verso: arithmetical calculations. In pencil on recto: "No 95 B". Military topographic map. Covers parts of Northumberland and Montour counties, Pennsylvania. Shows roads running through Danville and Riverside. Also shows landforms and streams. Pen-and-ink, pencil on laid paper. Shows relief by hachures. Stained, foxed, creased and abraded. Mounted on cloth, bound, disbound and silked by subsequent owners. Cleaned after removal of backings 1999; some fill remains. Sheathed in mylar. Title proper from recto is the work of a later editor--Simeon DeWitt or his assign--subsequent to 1820. Title from verso is in Erskine’s hand and may be cited as such. Index title, statement of responsibility, date, series title and series numbering also by Erskine, but on separate index sheet filed at head of series. Watermark: cross of St. George in shield. Countermark: crown with initial C to its lower left.