| Who What Where WhenREMOVE | REFINE  Browse All : Navigation of Oregon and Washington from 1946
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       Author [Isaacs, John D., Bascom] Full Title Columbia River Entrance, Cape Disappointment. Publisher Department of Engineering, University of California Author [Isaacs, John D., Bascom] Full Title Clatsop Spit, Columbia River Estuary. Publisher Department of Engineering, University of California 
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