...valley of its own, between the Coast Range and the Cascade and Sierra Nevada Range. The Columbia is the only river which traverses the whole breadth of the...thence proceeds by a single channel to the sea, while its three forks lead each to a pass in the mountains, which opens the way into the interior of the...

...valley of its own, between the Coast range and the Cascade and Sierra Nevada range. The Columbia is the only river which traverses the whole breadth of the...forks (Lewis's, Clark's and the North fork) near the center of the Oregon Valley, this great river thence proceeds by a single channel to the sea, while...

...valley of its own, between Coast range and the Cascade and Sierra Nevada range. The Columbia is the only river which traverses the whole breadth of the...thence proceeds by a single channel to the sea, while its &ree forks lead each to a pass in the mountains, which opens the way into the interior of the continent....

...rivers opening "many lines of communication with the interior." But the Columbia, Fremont wrote, "is the only river which traverses the whole breadth of the...breaking through all the ranges, and entering the sea." The Columbia "opens the way into the interior of the continent," and that "fact," Fremont thought,...

...valley of its own, between Coast range and the Cascade and Sierra Nevada range. The Columbia is the only river which traverses the whole breadth of the...a section of ten degrees of latitude in the Rocky mountaius, which are collected into one stream by three main forks (Lewis's, Clark's, and the North...

...Fremont, in speaking of the Columbia, makes use of the following just observations : " The Columbia is the only river which traverses the whole breadth of the...country, breaking through all the ranges, and entering into the sea. Drawing its waters from a section of ten degrees of latitude in the Rocky Mountains,...