Tualatin River Watershed Information System


Land Use/ Land Cover Information

Coverages Type Description
devel Poly Washington County Developed lands layer
lulc250 Poly USGS GIRAS Land-use landcover at 1:250,000
nwi_tual Poly National Wetlands Inventory
odffor97 Poly ODF Forest Stand data on/near their lands
odffortb Poly ODF Forest Stand data clipped to basin
veg250 Poly Metro vegetation layer
vegcovwc Poly Original GAP veg data
wet_fillwc Poly Metro area wetlands (NWI)
lulc92 Poly 10 class landcover grid developed by USGS
Grids
usgslc92 Grid 30 meter, 10 class landcover grid developed by USGS
usgslcnd Grid usgslc92 with nodata assigned value = 26(white) for plotting
veg_dnrg Grid 25 meter, 6 class landcover grid developed by PMR for ODF
veg_femg Grid 25 meter, 14 class landcover grid developed by PMR for ODF

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