Radioactivity in Whittier and Downey, 1952

4 images. Radioactivity in Whittier and Downey, 10 June 1952. Doctor John Hamaker (Checking for radioactivity in Whittier abd Downey).; Caption slip reads: "Future. Photographer: Snow. Date: 06-10. Reporter: Clausen. Assignment: Radioactivity in Thittier and Downey. 9: Dr. John Haamaker checking for radioactivity in Whittier. 10: Same as above in Downey. 57: Checking cabbage patch near Downey. 58: Checking Yan field near Downey.