National Register of Historic Places
Blackwell House
New York, New York County, New York
The record
- Listed
- February 25, 1972
- Type
- Building
- Address
- Welfare Island, New York
- County
- New York
- State
- New York
- Period of significance
- 1750 to 1824
- Contributing resources
- 1 building
- Coordinates
- 40.76053, -73.95099
- Reference number
- 72000862
David Rumsey Map Collection, Stanford LibrariesLionel Pincus and Princess Firyal Map Division, The New York Public LibraryLionel Pincus and Princess Firyal Map Division, The New York Public LibraryDigital Commonwealth, Boston Public Library