r ro | 168° MEV | . 166° 166 pr CT 7 AIUNGINAE 166. T O- = @ % “t Q000m+ DEPTH IN METERS OREOGE NUMBER . LEGEND: Oc- = CORE NUMBER 167 12 Joe ENERGY MEV Figure 1.5 Gammaactivity per gram of Eniwetok Proving Ground sedimentin April 1956. 1370m © 20 tiv/om ' 165° (138 35 N,164°32'E) | ENERGY