Geographic Information Systems (GIS)

A geographic information system (GIS) is a framework for gathering, managing and analyzing data. GIS analyzes spatial location and organizes layers of information into visualizations utilizing maps and 3D scenes. Data layers maintained and managed by the Public Works Department are:
  • Aerial Photography
  • Buildings Footprints
  • Easements
  • General Cadastral data
  • General Planimetric information
  • Parcels
  • Streets & Street Centerline
  • Topography
  • Utility Infrastructure
  • Zoning

GIS Data


Some GIS layers are available for download though FTP services and other data may be requested by individuals or companies.  Data layers present on the GIS Viewer are available as web map services for those that wish to utilize them.  If you need instructions on how to utilize map service contact IT staff at (907) 228-6648.

GIS Data Files