The rasters 22 classes of forest vegetation from potential forest (value 1) through large multistory conifer (value 22) plus water, barren lands, etc. at 25 meter resolution. Source data was Interagency Vegetation Mapping Project (IVMP) coverages for quadratic mean diameter (QMD), stand structure, and conifer vegetation from Landsat TM ca. 1996. Accuracy Assessment not valid for land areas smaller than physiographic province. Mapped by the Regional Interagency Effectiveness Monitoring Program, NW Forest Plan, R6/PNW in 2005.
LANDSAT TM ca. 1996; IVMP quadratic mean diameter, species, canopy structure
