Duncan Island (36LA60,61)

	Duncan Island (36LA60,61)
	U.S. National Register of Historic Places
Location	In the Susquehanna River, Martic Township, Pennsylvania
Coordinates	39°51′41″N 76°21′49″W / 39.86139°N 76.36361°W
Area	19 acres (7.7 ha)
NRHP reference No.	84003428
Added to NRHP	May 10, 1984

LocationIn the Susquehanna River, Martic Township, Pennsylvania

Area19 acres (7.7 ha)

NRHPreferenceNo.84003428^[1]

Duncan Island (36LA60,61) is a prehistoric archaeological site located in the Susquehanna River at Martic Township in Lancaster County, Pennsylvania. It underwent study in the 1950s and 1970s. Artifacts dated to the Archaic period (c. 8000 B.C. to 1000 A.D.) were uncovered.^[2]

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Duncan Island (36LA60,61)
U.S. National Register of Historic Places


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Location	In the Susquehanna River, Martic Township, Pennsylvania
Coordinates	39°51′41″N 76°21′49″W / 39.86139°N 76.36361°W / 39.86139; -76.36361
Area	19 acres (7.7 ha)
NRHP reference No.	84003428^[1]
Added to NRHP	May 10, 1984