SHANSI Province in north China, the nation's biggest coal mining base, had overfulfilled by the end of 1974 its production target for raw coal set by the state under the Fourth Five-Year Plan (1971-75...
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SHANSI Province in north China, the nation's biggest coal mining base, had overfulfilled by the end of 1974 its production target for raw coal set by the state under the Fourth Five-Year Plan (1971-75...