Authors: Joseph Henry Collins

  • A First Book of Mineralogy — Joseph Henry Collins

    A First Book of Mineralogy — Joseph Henry Collins

  • 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 Transactions of the Royal Geological Society of Cornwall; Volume XIV — Joseph Henry Collins

    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 Transactions of the Royal Geological Society of Cornwall; Volume XIV — Joseph Henry Collins