FORM PREPARATION FOR CONTROL CENTER FLOOR
COMPLEX 1A 19 JULY 1960
FORM PREPARATION FOR CONTROL CENTER FLOOR
COMPLEX 1B 1 SEPTEMBER 1960
BLAW-KNOX DOME FORMS FOR POWERHOUSE
COMPLEX 1A 17 AUGUST 1960
FORMS FOR POWERHOUSE
COMPLEX 1A 23 AUGUST 1960
CONCRETE PLACEMENT FOR POWERHOUSE
COMPLEX 1A 26 SEPTEMBER 1960
BACKFILLING POWERHOUSE AREA
COMPLEX 1C 28 APRIL 1961
BACKFILLING BLAST LOCK NUMBER 2
COMPLEX 1A 12 JULY 1961