NOAA.  Portland Harbor Watershed Database & Mapping Project: GIS & Mapping. Accessed November 22, 2011: http://response.restoration.noaa.gov/index.php.

There are currently a number of scientific studies being conducted to locate and quantify toxics, natural resources and habitat restoration opportunities in the Portland Harbor Superfund site. Cleanup of the Portland Harbor and subsequent restoration activities rely upon understanding the current conditions of the site.  NOAA is combining findings from these studies with information from public agencies into a GIS and making them available through their decision support tool.  Using this tool, decision makers can analyze and share data at numerous spatial scales.  Data available through the Portland Harbor Database & Mapping Project includes: sediment chemistry, river depth, aerial photographs, effluent inputs, shoreline characteristics, habitat features, land ownership, dredging and cleanup activities.  The decision support tool allows individuals to select layers and conduct queries which address their unique needs then develop a visual means of sharing findings.

A sample of GIS layers available through NOAA's database and mapping project