From where a road branches to Middle Bush to Princeton + a little way farther towds Trenton. No 121, A / by Robert Erskine F.R.S. Geogr. A. U.S. and Assistants.

Military topographic map. Covers the townships of Princeton in Mercer County, Franklin in Somerset County and South Brunswick in Middlesex County, New Jersey. Shows roads running through Princeton, Kingston, Tenmile Run and Franklin Park. Also shows buildings and owners' names, landforms and streams. Pen-and-ink, pencil on laid paper. Shows relief by hachures. Stained, soiled, creased and abraded. Mounted on cloth, bound and cropped, 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 contemporaneous with map and may be cited as such. Index title, statement of responsibility, series title and series numbering also contemporaneous, but on separate index sheet filed at head of series. Watermark: "J WHATMAN" accompanied by crest (no pendent initials).