Calver Island, Archaeological site in Swatara Township, Pennsylvania, United States.
Calver Island contains 12.5 acres of stratified archaeological deposits located in the Susquehanna River, southeast of Harrisburg at coordinates 40.2056, -76.8067.
The site formation began approximately 5200 years ago when two longitudinal river shoals merged into one landform, creating conditions for human settlement.
Archaeological investigations have uncovered numerous artifacts from Early Archaic through Late Woodland periods, documenting continuous Native American occupation patterns.
The location requires coordination with the U.S. Army Corps of Engineers and adherence to the National Historic Preservation Act for any construction activities.
The site maintains one of Pennsylvania's most complete stratigraphic records, containing soil samples that reveal detailed information about ancient environmental conditions.
Location: Pennsylvania
GPS coordinates: 40.20560,-76.80670
Latest update: March 13, 2025 02:30
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