In ink on verso: "es to Archie’s A," "No. 86. A," "86 a". In pencil on recto: "No 86-A" was originally written "No 84-A". Military topographic map. Covers the townships of Chester, Monroe and Woodbury in Orange County, New York. Shows roads running through Turners. Also shows buildings and owners’ names, landforms and streams. Pen-and-ink, pencil on laid paper. Shows relief by hachures. Soiled, stained 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. Index title, statement of responsibility, date, series title and series numbering by Erskine, but on separate index sheet filed at head of series. 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.