woe rts alte, a 2 inches 68 10 72 LEFT Micromonolith of Pit 35 7 2 76 \ > 80 . ¢ 26 e 31 ‘s 37 42 48 51 ’ 2g ads 56 a Soi! sit 35, Rongelap Island. Dark | layers are buried horizons. Beach Ridge Sand, Rongelap Island. occurs on the island beach ridges. This soil type The pit shown. ... above is seven feet deep and contains six buried horizons. Pe vu “TONELN. t-. © wn