Catalog
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Geologic map of the Portland quadrangle, Multnomah and Washington counties, Oregon, and Clark County, Washington
Beeson, Marvin H.[Portland, Or.] : State of Oregon, Dept. of Geology and Mineral Industries, [1991] -
Geologic map of the Lake Oswego quadrangle, Clackamas, Multnomah, and Washington counties, Oregon [map]
Beeson, Marvin H.[Portland, Or.] : The Department, [1989] -
The effects of volcanism and tectonism on the evolution of the Columbia River System : a field guide to selected localities in the Southwestern Columbia Plateau and Columbia River Gorge of Washington and Oregon
Tolan, Terry L.[Seattle, Wash.] : Northwest Geological Society, 2002.
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