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
Economic Geology Of The Georgetown Quadrangle (together With The Empire District) ColoradoJosiah Edward Spurr, George H Garrey, Sydney Hobart BallHäftad459 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
