In erased pencil on recto, "No 97 C". Military topographic map. Covers the towns of Livonia in Livingston County and of Conesus, Groveland and Leicester in Ontario County, New York. Shows roads running through Cemetery Hill, Foots Corners and Mount Morris. Also shows landforms and streams. Adjusta Lake is now called Consesus Lake. Pen-and-ink, pencil on laid paper. Shows relief by hachures. Stained, creased and abraded. Mounted on cloth, cropped, bound, 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. Title from verso in Erskine’s hand appears to have been lost through later cropping. Index title, statement of responsibility, date, series title and series numbering also by Erskine, but on separate index sheet filed at head of series. Watermark: none.