Erosion, weathering and

soil photos: Eastern

Washington

Sand deposition: ColumbiaRiver near

Washougal, WA

Palouse hills from Steptoe Butte

Shrub Steppe: Washtucna Coulee

Sand hills: Connell, WA

Fallow wheat field in

shrub steppe

Caleche layer: loess soil

Road cut with caleche layer

Pillow lava weathering: East of

Connell, WA

Weathered pillow lava

Talus slope: base of basalt colonnade

Colluvial soil at base of eroding

basalt layer

Sand and gravel operation: Colfax,

WA

Wind blown loess and sand

Wind erosion

Wind erosion

Flood deposits: Connell, WA –

Missoula Floods

Gravel bar: Missoula Floods

Lacustrine Deposits: Missoula Floods,

Hamilton, Montana