363672PD: Two men with a sign warning of nuclear radiation, Montebello Islands, Western Australia, 1956?

Two men with a sign warning of nuclear radiation Montebello Islands Western Australia 1956
Two men with a sign warning of nuclear radiation, Montebello Islands, Western Australia, 1956?
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State Library of Western Australia 363672PD; West Australian Petroleum Pty. Ltd. collection ; BA2757/530-532