Soil Survey of the Upper Columbia River Valley

Soil Survey of the Upper Columbia River Valley (PDF, 11.8 MB)

Soil survey map, sheet no. 1

Soil survey map, sheet no. 1 (JPG, 1.46 MB)

Soil survey map, sheet no. 2

Soil survey map, sheet no. 2 (JPG, 2.39 MB)

Soil survey map, sheet no. 3

Soil survey map, sheet no. 3 (JPG, 2.37 MB)

Soil survey map, sheet no. 4

Soil survey map, sheet no. 4 (JPG, 2.81 MB)