This collection is a summary of logs written on a trip down the River of No Return in 1944 by members of the Army Corps of Engineers. The summary was written by trip senior engineer K.M. MacDuffie from logs kept by three other senior engineers making the trip, L.E. Rydell, S.E. Sporseen, and F.O. McGrew. According to the report, "the main purpose of the trip was selection of sites where high dams might be feasible and the selection of a series of dams that eventually might develope the entire fall in the river. Only the portions of the river course which were not accesible, at that time, by roads were considered during the trip." The summary is typeset and includes pictures of the trip as well as maps of the area covered in the journey. The trip covered the days of June 20 to July 2, 1944. The typescript is 124 pages excluding the accompanying maps. Also included in the collection is a CD containing a digital copy of the report as well as newspaper article from Northwest Magazine dated March 25, 1990 about the telephone system in the Salmon River canyon.