| 其他書名 | The Delaware Aqueduct, Upper Delaware National Scenic and Recreational River, New York - Pennsylvania |
| 出版 | Denver Service Center, Branch of Cultural Resources, Mid-Atlantic/North Atlantic Team, National Park Service, U.S. Department of the Interior, 1983 |
| URL | http://books.google.com.hk/books?id=6igyfa-Q3tYC&hl=&source=gbs_api |
| EBook | FULL_PUBLIC_DOMAIN |