Block Island

1957

1:24k

Block Island

1957

1:24k

Block Island

1998

1:24k

Block Island

1957

1:24k

Block Island

1957

1:24k

R.I. sheet 10.

1891

Geological Survey (U.S.)

1:63k

Harbors of Refuge : at Point Judith and Block Island

1941

C&GS

1:10k

Block Island, Rhode Island

1888

U.S. Coast and Geodetic Survey

Harbors of Refuge

1925

C&GS

1:10k

Block Island

1899

1:63k