This service provides a "Web Feature Service(WFS)":http://en.wikipedia.org/wiki/Web_Feature_Service that allows access to information about the data available though SDMI's WMS. This includes information about all of the data holdings in SDMI, including license information, resolution, coverage, and a method for obtaining the original data if the license allows. The URL for the service is http://wfs.alaskamapped.org/inventory . More information on how to use the service can be found in our "WMS and WFS tutorial":http://www.alaskamapped.org/public_docs/arcgis_wms_tutorial.pdf . Please "let us know":/contact-us if you encounter problems or have questions.