Map of the island of Oahu, Hawaii. This map was compiled for the Honolulu Automobile Club by U. Matsu in August 1921. The map was published by the Hawaii Tourist Bureau, Honolulu.
The lock is a single lift type, 86 feet wide and 683 feet long, with a 15-foot minimum depth over the sills. The vertical lifts average 75 feet. The lock is located on the Washington side of the Columbia River.
Architectural drawing of the McNary Dam, a 7365 foot hydroelectric dam that spans the Columbia River. McNary Dam is located one mile east of Umatilla, Oregon.
Snake River; Cheney State Normal School -- Field trips; School field trips; Launches
Photo from the top of a cliff looking down upon an early launch nosing into the river bank at the bottom of the cliff. Launch appears to be gasoline engine powered. Several people are seen on the decks, and at least one person is climbing the cliff.