1860 Map of  The country west of Hudson's or North River occupied by the American Army under Washington : from a manuscript map drawn for Lord Stirling in 1779 - engraved by Rae Smith, N.Y.

Original engraving from Life of Washington, a Biography Personal, Military and Political by Benson J. Lossing, 1860.

Notes:
Shows area west of the river to Chester, north to Newborough and south to Clarkstown.
Relief shown by hachures.