Frayed, foxed. Mounted on cloth, bound and cropped, disbound, silked by subsequent owners. Cleaned after removal of backings 1999. Sheathed in mylar. In ink on verso: "[Ben] Ringwood 14 November 1778," "No. 3D." In pencil on recto: "No. 3." Military topographic map. Covers an area north and east of Popolopen Creek, between modern Highland Falls and Bear Mountain State Park in the Town of Highland, Orange County, New York. Shows roads and owners’ names; also landforms and streams. Pen-and-ink, graphite on laid paper. Shows relief by shading and hachures. Title proper from recto is the work of a later editor--Simeon DeWitt or his assign--subsequent to 1820. Index title, statement of responsibility, date, series title and series numbering by Erskine, but on separate index sheet filed at head of series. Watermark: S & K. References: Guthorn, Peter J. American Maps and Map Makers of the Revolution, p. 17-22.