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地质学报 1930
APRELIMINARYPETROGRAPHICALSTUDYOFTHEPEIPIAOCOALS.Abstract: Ⅰ.INTRODUCTION.ThePeipiaocoalfieldissituatedabout90liNorthoftheChaoyangcity,easternJeholandisconnectedwithChinHsien,astationonthePeking-Mukdenrailwaybyabranchlineofabout170li.TheregionischaracterizedbyamoderatelydissectedmountainrangewhichrunsroughlyinaN.E.―S.W.direction.
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