ROOSEVELT ISLAND AND THE BLACKWELL HOUSE
1639
CABINS OF THE FIRST DUTCH SETTLERS
1668
HOME OF SHERIFF JOHN MANNING FIRST BRITISH RESIDENT
1676
INHERITED BY MARY MANNINGHAM WHO MARRIED ROBERT BLACKWELL, ISLAND WAS FARMED & QUARRIED BY THEIR DESCENDANTS
1796
BLACKWELL FARMHOUSE ERECTED
1828
PETER COOPER NEGOTIATED PURCHASE OF ISLAND FOR THE CITY OF NY ON FRONT PORCH OF THIS HOUSE, PRICE $ 32,000
1829-1955
THE HOME OF HOSPITAL AND PRISON STAFFS RESTORED BY THE NY. S. URBAN DEVELOPMENT CORP
1973
PLAQUE DONATED BY
THE ROOSEVELT ISLAND HISTORICAL SOCIETY
1981