— MARSHALL ISLANDS ATOLL SAMPLES COLLECTED BY T, N. WHITE, 5-7 MARCH 1954 Earth samplos wore collected as follows: At cach island visitcd soveral samples woro dug and put into tho sam one=gallon "fac-crcam carton", Each samplo (4.¢c. cach digging) approximated onc square foot to a depth of one inch. The number and locations of the samples were sclectod to represent, as well as could be judged, an avorage of the arcas uscd by the inhabitants, aftor tho samplos were mixod in the carton. unusually shaded or unshaded by trocs wore avoided. Aroas that wero The large "pebbles" in tho composité represent coral gravel from "main streot" through tho villago. Watcr samples wore sclected according to tho principal sourco in curront uso. Inclosure 1