Twelvemile-Polander complex, 35 to 65 percent south slopes
Twelvemile
(60%)
Oregon East Cascades, Outwash Plains and Volcanic Uplands (Ponderosa pine / Antelope bitterbrush / Idaho Fescue) 14-18 PZ
Typic Vitrixerands
Somewhat excessively drained
Hydric: No
PAWS: 17 cm
hillslopes / Backslope
hillslopes / Footslope
hillslopes / Toeslope
volcanic fields
Polander
(25%)
Oregon East Cascades, Outwash Plains and Volcanic Uplands (Ponderosa pine / Antelope bitterbrush / Idaho Fescue) 14-18 PZ
Typic Vitrixerands
Well drained
Hydric: No
PAWS: 28 cm
hillslopes / Backslope
hillslopes / Footslope
hillslopes / Toeslope
volcanic fields
SSA
Scale
Published
Export
or640
1:20,000
1977
2025-09-10