Navigable Mileage of the Columbia River and Tributaries.
Below is given the navigable mileage of the Columbia River and its principal tributaries.
Colgmbia River.
To mouth of Willamette River from the Ocean Mouth Willamettt to Th Dalles, S niil€s; to Big Eddy.... Big Eddy to Celilo, obstructed For 0 mile. ‘Celtlo to Priest Rapids Foot Priet Rapid, to head rapids, obstructed 11,4 miles. Head Priest Rapids to Wenatchec Wenatchee to x,,outh ci Okanogan River Month Okanogan to Spokane Rapids, navigable at gtiat risk on’y, a distance ci 109 ni]es. spokane Rapids to Rickeys Landing Rickeys Landing to Marcus Wash.. not navgbIe II m CL Marcus to Robsoa. B. C Robson, B, C., to Arrowhead Landing, B. C T”tal navigable waters, main St ream.
Snake River
Mouth to Rparia Riparia to Lewiston ‘Lewistoa to Orande Ronde River Graade Ronde River to Bailards Landing, obstructed 17 miles. • Ballards Landing to H Intingtoo Total navigable waters, Snake River.
Willamette River and Tributaries.
Other Tributaries of Columbia River.
Clatskanie River, navigable on tide above mouth.
