Foxed, creased, 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. In ink on verso "Part of No. 1 Large Scale N.1.B". In pencil on recto: "No 1 B." Military topographic map. Covers the towns of Stony Point in Rockland County and of Highland and Woodbury in Orange County, New York. Shows roads, forts, landforms, streams and wetlands. Pen-and-ink, pencil on laid paper. Shows relief by 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. Unfinished sketch also on verso. Watermark: lily, monogram.