Shows the 26.2-mile route of the Old Croton Aqueduct from New Croton Dam in Yorktown to Van Cortlandt Park in New York City. Includes detailed inset maps for complex areas, a short history of the Aqueduct, and brief descriptions of 55 sites of interest along the way.  Published by Friends of the Old Croton Aqueduct, Inc.  2008, 2nd ed., 1 map (glossy paper).