Geology Applied to Mining; a Concise Summary of the Chief Geological Principles, a Knowledge of Which is Necessary to the Understanding and Proper Exploitation of Ore-deposits, for Mining men and StudentsJosiah Edward SpurrInbunden489 kr
Geology Applied to Mining; a Concise Summary of the Chief Geological Principles, a Knowledge of Which is Necessary to the Understanding and Proper Exploitation of Ore-deposits, for Mining men and StudentsJosiah Edward SpurrHäftad349 kr
Economic Geology Of The Georgetown Quadrangle (together With The Empire District) ColoradoJosiah Edward SpurrInbunden599 kr
Geology Applied to Mining; a Concise Summary of the Chief Geological Principles, a Knowledge of Which is Necessary to the Understanding and Proper Exploitation of Ore-deposits, for Mining men and StudentsJosiah Edward SpurrInbunden489 kr
Economic Geology Of The Georgetown Quadrangle (together With The Empire District) ColoradoJosiah Edward SpurrInbunden599 kr
