ACTIVITY REPORT FOR PERIOD AUGUST 31, 1957 THROUGH OCTOBER 11, 1957, INCLUSIVE ST. GEORGE ZONE G. H. Hallmark I arrived in Las Vegas at 1600 hours on August 31, 1957 and proceeded to the AEC Field Office and called Warehouse 6 at Mercury. A courier was dispatched from the Warehouse to take me into Mercury. We arrived in Mercury at approximately 2400 hours. On Sept. 11 reported into the Warehouse and was shown how to operate the ultrascaler after which I operated an ultrascaler checking Hi Vol filters until we had completed them. At 2230 I left for Watertown with Ted Kozuszek in mobile 238 for shot GALILEO, XVII, which was scheduled for firing the next morning. On Sept. 2 we arose and watched the firing of GALILEO at 0545. We were then ordered back to Mercury and arrived there at 1200 hours; on the way back to Mercury Kozuszek briefed me on the H.V. machine, fallout trays, MX-5, T1-B, and the various duties and policies of the off-site rad-safe program. In the afternoon Kozuszek briefed « a large number of us that had recently arrived at Mercury. ‘ On Sept. 3 we were given a briefing by Bob Elder. Also, Ray Brennan and I scanned fallout trays. In the afternoon I received my assignment for St. George. On Sept. 4 I left for St. George arriving there around 1600 and reporting in to Murray Pritchard, Zone Commander. On Sept. 5 Murray and I exchanged film badges at Kanab, Zion Park, Rockville, Springdale, Virgin, and LaVerkin. On Sept. 6, WHEELER, XVIII, was fired. I exchanged film badges at Virgin, La Verkin, Toquerville, Hurricane, and Washington. In the afternoon and evening Murray and I exchanged film badges in New Harmony, Leeds, Pintura and Nelson Ranch. On Sept. 7, we exchanged film badges at St. George, Santa Clara, Veyo, Enterprise and Gunlock. On Sept. & LA PLACE, XIX, was fired. We were out of fallout trays 8Q we met 235 at the Utah-Arizona state line and borrowed some fallout trays from him. We exchanged a few film badges around St. George. On Sept. 9 we exchanged film badges in St. George, Washington, and Santa Clara. Tanimoto and Kingsbury arrived about 1600 and I departed with them for Mercury to see the next shot, arriving in Mercury about 2200.