Truckee River and Tributaries, California and Nevada. Letter from the Secretary of the Army Transmitting a Letter from the Chief of Engineers, Department of the Army, Dated April 15, 1954, Submitting an Interim Report, Together with Accompanying Papers and an Illustration, on a Survey of Truckee River and Tributaries, California and Nevada, Covering Only the Immediate Flood Problems on Truckee River. This Report is Submitted Under the Authority for a Preliminary Examination and Survey of Truckee River and Tributaries, in California and Nevada, Authorized by the Flood Control Act Approved on June 28, 1938