Newburyport Harbor and Plum Island 1988 Print – Modern Coastal Map for Massachusetts Seaside LoversTake a step back to 1978 with this chart of Newburyport Harbor and Plum Island, revealing a coastal enclave in transition from industrial era pursuits to recreational boating and tourism. Hand labeled channels, marinas, and shoal warnings point to a place where maritime tradition still thrived, even as modern conveniences reshaped daily life. The charts crisp lines and clearly marked depth soundings pay homage to the hardworking surveyors who