Military topographic map. Covers Orange and Rockland Counties in New York and Bergen, Passaic, Morris and Essex Counties in New Jersey. Shows roads, buildings and owners’ names, also landforms, wetlands and streams. 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 also by Erskine, but on separate index sheet filed at head of series. Pen-and-ink, pencil on laid paper. Watermarks: "S & K" (twice), lily accompanied by monogram (twice), lily (once), Britannia accompanied by "CR" with pendant crown (twice). Stained, foxed, creased, frayed, cut, torn and abraded. Small burn holes. Cut into 3 pieces. Mounted on cloth, bound and cropped, disbound and silked by subsequent owners. Cleaned after removal of backings 1999; some fill remains. Lined with China paper. Sheathed in mylar. Upper half shows lines of latitude and "Longitude East from Philadelphia." Text in ink, lines in pencil. In pencil on recto: "No 36". In ink on verso, top fragment "No. 36"; across join between top and center fragments, "No. 36"; on bottom fragment, "36".