Unknown2019-02-202019-02-201967EPM-071-16-013http://hdl.handle.net/20.500.11867/15556Single 8 x 10.5 inch. Typed. Date est.Issued by the Walla Walla District of the U.S. Army Corps of Engineers. Statistical data is given about the construction.Statistical dataSpokane, Portland and Seattle railroad relocation: John Day Lock and Dam project.