Tualatin River Watershed Information System


Geomorphological Information

Coverages Type Description
bvbsoil Poly Soil susceptibiliity to disturbance stress
geology Poly Oregon statewide geology (500k)
hydricwc Poly Washington County hydric soils
slope30 Poly Metro region wide slopes > 30 percent
yamsoil Poly Yamhill soils data for Southern Tualatin basin (not clipped)
t_soil Poly Soil compilation from NRCS
or_mins Point Oregon Mineral information layer (DOGAMI)

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