Brief introduction

… million volumes, including the collection of literature at home and abroad printed from Enlightenment period of modern geoscience in nearly 200 years, geological maps in the world more than 10,000 sets and literature data more than 10 million of 5 large b …

http://cgl.org.cn/new/gj/brief.aspx   2013-05-28

… million volumes, including the collection of literature at home and abroad printed from Enlightenment period of modern geoscience in nearly 200 years, geological maps in the world more than 10,000 sets and literature data more than 10 million of 5 large b …

http://cgl.org.cn/zl/gjjhy.aspx   2012-12-03