International Power Exchange: MS of group of officials including Dr Holden of Ontario Hydro, Robert Saunders, Governor of Michigan Gerhard Mennen Williams, Honorable Bryan L Cathcart, Walker W Gisler. TILT DOWN tower to group at Marysville plant. Shot of reporters with cameras. Shot of Honorable Cathcart and Governor Williams unveiling plaque, shaking hands. CUs of Governor Williams speaking, Cathcart speaking. Shot of Robert Saunders being presented plaque by Walker L Gisler, President of Detroit Edison Company. CUs of Robert Saunders speaking, of plaque entitled "Partners in progress". (21/12/1953)