If the Columbia River’s mouth eluded some of the most seasoned Northwest explorers who overlooked it, or mistook it for a bay or a section of rough coast, locating the river’s headwaters was also a challenge…
If the Columbia River’s mouth eluded some of the most seasoned Northwest explorers who overlooked it, or mistook it for a bay or a section of rough coast, locating the river’s headwaters was also a challenge…
