National Heritage Corridors
Updated August 5, 2020 |
Infoplease Staff
| Name and location | Total acreage |
| Blackstone River Valley (Mass.-R.I.) | 400,000 |
| Delaware and Lehigh (Pa.) | n.a. |
| Erie Canalway (N.Y.) | 3,087,360 |
| Illinois and Michigan Canal (Ill.) | n.a. |
| Quinebaug and Shetucket Rivers Valley (Conn.) | 694,000 |
| National Recreation Areas | The National Park System | National Historic Trails |
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