The Maine GeoLibrary is the State of Maine's geospatial data catalog, maintained by the Maine Office of GIS (MEGIS) and the Maine Library of Geographic Information Board. It provides discovery and download of authoritative statewide framework data on an ArcGIS-based platform.
Coverage includes administrative boundaries, parcels, transportation, hydrography, imagery, and elevation, available as downloads and ArcGIS/OGC services. It is the authoritative state-level source for Maine GIS data.