Pearsoncreek-Highfalls-Newbell families, complex, gentle glaciated mountain slopes, belt geology, south aspects
Pearsoncreek
(45%)
Ashy Till Mountains and Valleys 30-45 PZ Frigid Bitterroot Metasedimentary Zone
Andic Dystrudepts
Well drained
Hydric: No
PAWS: 9 cm
mountain slopes
Highfalls
(30%)
Frigid, Udic, Loamy, Foothills/Mountainsides, ashy surface (Western Hemlock/Moist Forbes) Tsuga heterophylla / Clintonia uniflora , Tsuga heterophylla / Asarum caudatum
Warm-Frigid, Udic, Loamy Foothills/Mountainsides, ashy surface (western redcedar, moist herb) Thuja plicata / Clintonia uniflora
Alfic Udivitrands
Well drained
Hydric: No
PAWS: 18 cm
mountain slopes
Newbell
(15%)
Warm-Frigid, Xeric, Loamy Foothills/Mountainsides, ashy surface (Douglas-Fir/Warm Dry Shrub) Pseudotsuga menziesii / Physocarpus malvaceus - Symphoricarpos albus
Andic Haploxerepts
Well drained
Hydric: No
PAWS: 12 cm
mountain slopes
Dougan
(5%)
Andic Humudepts
Well drained
Hydric: No
PAWS: 11 cm
mountain slopes
Highfalls
(5%)
Alfic Udivitrands
Well drained
Hydric: No
PAWS: 15 cm
mountain slopes
SSA
Scale
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2025-08-27