One of I:he pr~ ~~cipal sources is Eravo Figure Crater in the the gamma abundant exists adjacent feet. 60 .Cleariy, emitters. co arid at the overwashed from the The Bi predominate 11, 137 60 of Co arid 207,., ]>],the J4 craters convict 60 However, sone current in the (colloidal’?) factor Crater because in the Co than the mullet. ea:twarcl near +~~-~ tF1r.rl about is similar or associated the difference i6 miles and than .in solution and mullet a factor are lower more anc p?.anktcn-–teeding surgeonfish from lagoon is CO ja ~ei.ng tr,znspcjrted eastward, by the bottom in goatfish oi surgeonfisti particles, of less cont;iin +=e~i~imes laqoor~ either betweer. convict Bravo Cs is being goatfish 60 of the herbivorous condition sediments ,+eeaimg that. “:fiekc’chmr,-.. ~act in the vicinity among a low area 137 and the a Cs is the most ana- an intermediate seawter~ 1. soil. retention reflected by from taken .southv;estern end of E~.eman 1. , where is occasionally leached 207 As descrj.bed orI page raclionuciiiie in soils, of Nam to and southwest a g aroma-ray spc:ctrurn of sediment 3 shows clepth of 160 reef at Bikini of r(idionuclides 60 of the I?ikini 1. is only sarie time, cr=ter and those the 60C0 at Bikini fine Co content in the vicinity At the ~.ear the in with by a concentrations’ I.differ by ten. to that those of 60 of 60 Co by Co, but since a factor the of about ,--levels 20, we 207Bi of are at