| http://www.w3.org/ns/prov#value | - Uruguay, Cuba, Samoa, and California, the Great Lakes, and other areas in the United States, 1903; and photographic prints of a time-ball in Japan, 1902, the U.S.S. Paducah and U.S.S. Mahana, 1920, and of delegates to the 1919 International Hydrographic Conference, (M).
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