In ink on recto and verso: "No 86 B." In pencil on recto: "No 86 B". Military topographic map. Covers the townships of Chester and Warwick in Orange County, New York. Shows roads running through Warwick, Bellvale, Mt. Peter and Dutch Hollow. Also shows buildings and owners’ names, landforms and streams. No title on map recto or verso. Title as given, statement of responsibility, date, series title and series numbering by Erskine, but on separate index sheet filed at head of series. Title number from map recto. Pen-and-ink, pencil on laid paper. Shows relief by hachures. Soiled, stained, frayed 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. Watermark: "CC" beneath crown; the second C is reversed and interlocked with the first. No similar mark in Gravell and Miller. References: Guthorn, Peter J. American maps and map makers of the revolution, p. 17-22; Heusser, Albert H. George Washington’s map maker, p. 249-256.