REA bulletin
U.S. Dept. of Agriculture
R.E.A. bulletin
Rural Electrification Administration bulletin
Rural Electrification Administration, U.S. Dept. of Agriculture 1962 REA bulletin 461-1
Available at 1 libraries
U.S. Dept. of Agriculture 1962 REA bulletin 180-3
U.S. Dept. of Agriculture 1961 REA bulletin 181-1