226 20 30 40 50 60 70 60 990 FEB 1953 MAR 1953 APR 1953 MAY 1953 JUN 1953 JUL 1953 AUG 1953 SEP 1953 oct 1953 NOV 1953 MAR 1954 LEGEND FEB 1954 APR 1954] MAY 1954] JUN 1954 ACTUAL COMPLETION ESTIMATED SCHEDULE (NOVEMBER 1953} ESTIMATED SCHEDULE (MAY 1953) JAN] 1954 DEC 1953 1. 100 JAN 1953 B. Construction. Construction Progress Curve--Overall Program.