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Aerial view of Ford Motor Company, Mercury Plant site located at 8900 E. Washington Boulevard (horizontally, upper middle) and Rosemead Boulevard (diagonally, middle right to upper right) in Pico Rivera view is looking northeast. Rex Road is horizontally at lower middle. The 157-acre manufacturing facility was dedicated on May 6, 1948 and ground was broken on March 23, 1956. The plant closed in 1980 and was purchased by Northrop Grumman in 1982. Photograph dated August 28, 1957.