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This map was created from the centerline provided by the National Park Service. Coordinates were provided by Steve Russell, Jim Harlan, and Martin Plomondon.
A guide funded by grants from the National Park Service, Federal Highway Administration, National Scenic Byway Program. and several Washington State agenciesOpen PDF
by Robert Heacock
Follow the history of the explorers who described and mapped the landmarks on the Pacific Northwest coast starting with the 1603 visit to Cape Blanco by Martin de Aguilar to Lewis and Clark's views of Mt. Hood as they canoed down the Columbia River in 1805.Open PDF