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Geology of the Huahuaxtla Mercury District, State of Guerrero, Mexico

David GallagherRafael Pèrez Siliceo

出版	U.S. Government Printing Office, 1948
URL	http://books.google.com.hk/books?id=BUFjAAAAMAAJ&hl=&source=gbs_api
EBook	FULL_PUBLIC_DOMAIN