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The geology of the north Shensi basin has been studied to some detail bythe American geologists Fuller,Clapp and others~1 in an oil exploration partysent out in 1914 under the joint auspices of the Chinese National Oil Administra-
The geology of the north Shensi basin has been studied to some detail by the American geologists Fuller, Clapp and others ~ 1 in an oil exploration party out out in 1914 under the joint auspices of the Chinese National Oil Administra-