Pennsylvania Spatial Data Access is Pennsylvania's official public access geospatial information clearinghouse. The site provides a Data Access Wizard, allowing searches by keyword, theme, data provider, and county; the Data Access Wizard also allows browsing by map services and data sets. An interactive imagery viewer and download tool is also provided. The site also supports searches by quadrangle and watershed. Extensive images and data are provided on the site, including ecosystem analysis, conservation resources, aquatic habitats, wetlands inventory, raster graphics, land cover data, digital elevation models, and digital orthophoto quarter quadrangle images. Various finders and links to related sites are also included.