Atlas · access and infrastructure
Access Atlas
These maps distinguish mapped roads, trails, facilities, maritime structures, aeroways, and protected-area context. They do not establish permission, public access, operating status, safe routing, or ownership.
Access and infrastructure
Seven-island mapped roads, trails, facilities, maritime structures, aeroways, and protected-area context—not an access-rights map.
Drawn from the archive's own data in EPSG:3078. Map data © OpenStreetMap contributors (ODbL 1.0); PAD-US protected-area context and USGS 3DEP (public domain).
Beaver Island access and infrastructure
Island-scale mapped transport, facility, and protected-area context for Beaver Island; not an access-rights map.
Drawn from the archive's own data in EPSG:3078. Map data © OpenStreetMap contributors (ODbL 1.0); PAD-US protected-area context and USGS 3DEP (public domain).