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.

Warning: These citations may not always be complete (especially for serials).