See also a messy and not particularly up-to-date list of Online Data sources links
Vector Data - shapefiles, coverages, geodatabases
Raster Data - GRIDS, Imagine files, Imagery (air photos, landsat)
DEM's (Digital Elevation Models) - primarily from the USGS (see the WA_USGS) folder
(Most of our DEM's are from UW's Raster Data Website: http://duff.geology.washington.edu/data/raster/ )
DRG's (Digital Raster Graphics, i.e.,
scanned Topo Quad maps) - from the USGS (see the WA_USGS) folder
DOQ's (Digital Ortho Quads, i.e., air photos) - from the USGS (see the WA_USGS) folder
Bathymetry (seafloor data models) - primarily stored in the NW_Region folder
Satellite data (Landsat, etc) - primarily stored in the NW_Region folder
Census data - primarily stored in the WA_Census folder
Soils data - primarily stored in the WA_State folder
Geologic data - primarily stored in the WA_State folder
Historical data - primarily stored in various 'Historical' sub-folders (e.g., Whatcom_County/Historical_WC or BHAM/Historical_Bham). See also Historical Data notes.