Spain Spratly Islands are of volcanic origin with central mountain range divided by Great Rift Valley Natural resources: guano (deposits worked until about 1890) Land use: arable land: 14% permanent crops: NA% meadows and pastures: 5% forest and woodland: 0% other: 100% Irrigated land: 340 km2 comparative area: slightly smaller than Texas Land boundaries: total 3,935 km, Angola
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