| http://www.w3.org/ns/prov#value | - Many such countries rely almost entirely on a single source of supply, such as groundwater (Barbados, Antigua, The Bahamas, Kiribati), rainwater (Tuvalu, northern atolls of Cook Islands, and the Maldives), surface reservoirs and imports (Singapore), or rivers and other surface flows (Seychelles, Dominica).
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