Troy Cohoes New York USA topographical map 1929, size 51 x 42 cm, price 9 USD.
Department of the Interior U.S. Geological Survey. New York Cohoes Quadrangle.
Schaghticoke, Halfmoon, Pittstown map.
Topoghraphy by J.M.Whitman, T.T. Ranney, J.K. Bailey, and C.E. Reick.
Culture and drainage in part compiled from aerial photographs taken by Air Corps U.S. Army