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Description:
On June 11, 1912, Silas Christofferson flew from the roof of Portland's Multnomah Hotel across the Willamette and Columbia rivers to Pearson Field in Vancouver in his 40-horsepwer-engine biplane in 12 minutes.

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Tags:

pdx , portland , aviation , airplanes , historic portland , ankeny , ash , early aviation. aviation , silas christofferson , multnomah hotel , biplane , 4th avenue