1948 Map of Drisko Island

About this map

Drisko Island and its surrounding archipelago dominate this maritime survey of Washington County's coast, where the Gulf of Maine meets the complex inlets of Pleasant Bay and Western Bay. The landscape is defined by its navigation hazards and natural harbors, from the sheltered Cape Split Harbor at Moose Neck to the exposed ledges of the outer islands. Coastal features like Big Nash Island and Flat Island are documented alongside numerous treacherous shoals such as Ram Island Ledge and Ladle Foul. Insights into the late 19th-century maritime environment are preserved here, as the hydrography is based on surveys dating back to 1870. The map records a series of prominent coastal landmarks including Black Rock, the high ground at Eastern Pitch, and the narrow passage at Tibbett Narrows, essential for local fishing and shipping routes of the era.