Military topographic map. Covers most of Westchester County, New York and western Fairfield County, Connecticut; also covers northern New York City. Shows roads, buildings and owners' names, also landforms 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.
Watermark: none.
Stained, soiled, 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 pencil on recto: "No 60"
In ink on recto: geometrical sketches, "No. 60"