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Joseph Henry Collins Boeken

    Observations On the West of England Mining Region: Being an Account of the Mineral Deposits and Economic Geology of the Region, and Forming of the Tra
    Principles of Coal Mining
    A Handbook to the Mineralogy of Cornwall and Devon: With Instructions for Their Discrimination And
    A First Book of Mineralogy: For Use in Science Classes and Higher and Middle Class Schools
    Principles Of Metal Mining