the fact that the average wnit cost of uranium concentrates has more than doubled in the same period. FY 1953 Actual FY: 1954 Estimated FY 1955 Estimated (In Millions) total AEC Expenditures Reported February 1, 195) Revised Estimates 1,790.9 %2,200.0 $2,25.0 1,790.9 2,125.0 2,575.0 Progress Reports and Statistics Branch March 3, 195k