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Federal
Digital Surficial Geologic-GIS Map of Isle Au Haut and Immediate Vicinity, Acadia National Park, Maine (NPS, GRD, GRI, ACAD, ISHA_surficial digital map) adapted from a Maine Geological Survey Open-File Map by Borns, Smith and Thompson (1974)
Department of the Interior —
The Digital Surficial Geologic-GIS Map of Isle Au Haut and Immediate Vicinity, Acadia National Park, Maine is composed of GIS data layers and GIS tables, and is... -
Federal
Hiking Trails of Acadia National Park 2025
Department of the Interior —
Contains lines representing the marked, maintained hiking trail system in Acadia National Park.