Data Type: Infrastructure ; This statewide database depicts historical use trails that qualify as potential right-of-ways under the Federal Revised Statute 2477. This data reflects an extensive land ownership search of over 1200 historical trails evaluating each trail according to regulations of RS 2477. The intended use of this dataset is to provide a tool for the state's use to meet public access needs.

Data Type: Infrastructure; This data layer contains statewide data coverage for the trans-Alaska pipeline at 1:2,000,000 scale based on USGS DLG data.

Data Type: Infrastructure; This data layer contains centroid of all public and private runways in Alaska from FAA tabular data. This data is intended for a wide variety of uses.

Data Type: Infrastructure; This data layer contains the locations of towns within the Prince William Sound - Copper River basin ecosystem. Pacific GIS (Ecotrust and Conservation International) hand- digitized town locations from 1:63,360 scale USGS base maps. Annotations of town names are included.

Data Type: Infrastructure; Statewide ARC/INFO coverage with attribute text on cities, towns and villages generated from Federal Aviation Administration (FAA) tabular files.

Data Type: Infrastructure; Statewide data coverage containing USGS Alaska Place names to include cemetery sites, locale, military sites, mines, populated places.

Data Type: Infrastructure ; Locations of statewide towns and villages.

Data Type: Infrastructure ; Statewide roads were taken from the USGS 1:2,000,000 Digital Line Graphs (DLG) dataset.