Columbia - Snake River Barge Navigation Project between The Dalles and Umatilla, Oregon
AUTHORIZED BY:
Rivers and Harbor Act of: 1872, 1907, 1935, 1945. Public Law 87-874; 23 Oct 1962.
Public Law 87-874 provides "That the depth and width of the authorized channel in the Columbia-Snake River Barge Navigation Project shall be established as fourteen feet (depth) and two hundred and fifty feet (width), respectively, at minimum regulated flow."