Investigation of the December 12, 2013, Fatal Rock Fall at 368 West Main Street, Rockville, Utah (RI-273) General Interest Books and the highest concentration of

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Investigation of the December 12, 2013, Fatal Rock Fall at 368 West Main Street, Rockville, Utah (RI-273) General Interest Books and the highest concentration ofBy: William R. Lund, Tyler R. Knudsen, and Steve D. Bowman On the afternoon of December 12, 2013, a large, joint controlled block of the Shinarump Conglomerate Member of the Chinle Formation, with an estimated volume of almost 1400 cubic yards and weighing about 2700 tons, detached from the cliff face at the top of the Rockville Bench in Rockville, Utah. The block fell on to the steep Moenkopi Formation slope below the cliff, and shattered into