george-b-barbour documents

Documents Further Data Regarding Deep Wells in the Peking Area

Documents The Age of the Basalts of Chinghsing

Documents The Pleistocene Volcanoes of the Sangkanho

Documents The Taiku Deposits and the Problem of Pleistocene Climates

Documents Correlation by Fluviatile Terraces

Documents NOTE ON CORRELATION OF PHYSIOGRAPHIC STAGES

Documents The Superficial Deposits of Yutaoho, Shansi

Documents The Paote and Chingshui Physiographic Stages and their Significance

Documents The Tsinan Intrusive

Documents Makapansgat