Columbia subject headings:
Indians of North America--New York (State)--Shelter Island (Town)--Antiquities.
New York (State)--Antiquities.
Shelter Island (N.Y. : Town)--Antiquities.
Harvard subject headings:
Excavations (Archaeology)--New York (State)--Shelter Island.
Indians of North America--New York (State)--Antiquities.
New York (State)--Antiquities.
Shelter Island (N.Y. : Town)--Antiquities.
Woodland Indians--Antiquities
Princeton subject headings:
Indians of North America--New York (State)--Antiquities.
Mashomak Preserve (N.Y.)
New York (State)--Antiquities.
Prehistoric peoples--New York (State).