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Calculate an earthquake epicentre
This advanced earthquake location and magnitude classroom activity is based on real data from the 2004 earthquake off Banda Aceh on the Indonesian Island of Sumatra. Extension... -
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Notes on bauxite in Riau Archipelago, Netherlands East Indies
The principal deposits of bauxite occur on Bintan and adjacent islands which lie about 50 to 100 miles south-east from Singapore. This report is comprised of three extracts...
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