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Snake River Ecological
Province
The Oregon portion of
the hug Snake River basin that extends across southern Idaho.
it is characterized by extensive ancient terraces which are geologically
eroded and dissected to currently appear as plateaus, basins,
and low rolling and prominent hills interspersed with basaltic
mountainous terrain. Elevations range from 1,800 feet at
Copperfield on the Snake River to 7,127 feet on Lookout Mountain
in eastern Baker County.
Dissected
ancient-lake terraces, hill and interspersed valley characterize
this province.
A managed
shrub-grassland range.
Prominent
ancient-lake dissected terraces north of the Powder River in eastern
Baker County represent the northern boundary of this province
in Oregon where it butts into the mountainous Blue Mountain Province
(background) at about 4,000 feet elevation.
Information and photos from: Anderson, E.W., Borman, M.M., and Krueger, W.C. 1998. The ecological provinces of Oregon: A treatise on the basic ecological geography of the state. Oregon Agricultural Experiment Station. SR 990. Corvallis, Oregon, USA. |