Hells Canyon project, Iadaho [sic] -Oregon : memorandum of chairman to members of Senate Committee on Interior and Insular Affairs, developments in connection with consideration of S. 1333 Dec. 30, 1955.
- [Washington, D.C.], 1956.
- iii, 37 p.
- Committee print, [84th Congress, 1st session] ; 1-A .