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...in the north of the province has enormous coal reserves, second in size only to those of Shansi. Important modern mines are those at T’ung-ch’uan, on the northern slope of the Wei Valley, and at Han-ch’eng, near the Huang Ho. There are minor coal and oil-shale deposits in the Han Basin in the south, where there are also iron-ore deposits. The Tsinling Mountains contain some minor...
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