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地质学报  1929 

AMICROSCOPICALSTUDYOFSOMECOALSFROMSZECHUAN,S.W.CHINA

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Abstract:

ThatthegeologycftheChinesecoalfieldsisbecomingbetterandbetterknownisevidencedbythenumerouspublicationsputoutfromtirnetotimebythedifferentinvestigators,especiallybythemembersoftheNationalGeologicalSurveyinPeking.Butlittleattentionseemstohavebeenpaidtothemicroscopical

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