- ee ” a yoooo0e 100000 KEUFFEL & ESSER CO. 100 Kez 8EM1-LOGARITHMIC 7 CY¥CleFS XK AO DIVINIOND map tn y.g.a, 46 6463 4000 16 1 ent of ener 20 ‘Fig. 1. 9001384 40 60 80 100 120 140 160 180 200 MEV Gamma-ray spectrum of sediment from Bravo Crater collected at a water depth of 160 feet, August, ‘etorian’s Office ‘sistt! ARCHIVES 1969.