Historic structure report, historical data section :
the Delaware aqueduct, Upper Delaware National Scenic and Recreational River, New York - Pennsylvania /
by Harlan D. Unrau.
APA Citation
Unrau, H. D., United States. National Park Service. Denver Service Center. (1983). Historic structure report, historical data section: the Delaware aqueduct, Upper Delaware National Scenic and Recreational River, New York - Pennsylvania. Denver, Colo.: Denver Service Center, Branch of Cultural Resources, Mid-Atlantic/North Atlantic Team, National Park Service, U.S. Dept. of the Interior.
MLA Citation
Unrau, Harlan D, and United States. National Park Service. Denver Service Center. Historic Structure Report, Historical Data Section: the Delaware Aqueduct, Upper Delaware National Scenic And Recreational River, New York - Pennsylvania. Denver, Colo.: Denver Service Center, Branch of Cultural Resources, Mid-Atlantic/North Atlantic Team, National Park Service, U.S. Dept. of the Interior, 1983.