On May 24, 1869, the Powell - Colorado River Expedition, ten men and four boats strong, embarked from these environs on a voyage of adventure resulting in civilization's first definite knowledge of this continent's last unexplored major river drainage. Out …
Originator of ocean going log rafts. Sponsor of the Columbia River Highway. Benefactor of Benson Polytechnic School. Donor of the Benson Tract containing Multnomah Falls, Wahkeena Falls and Benson State Park.
Patern and casting by Benson High School.
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