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Uitgaven door Josiah Edward Spurr

Cover for Josiah Edward Spurr · Geology of the Aspen Mining District, Colorado, with Atlas (Book) (2022)

Geology of the Aspen Mining Dist... (2022)

Josiah Edward Spurr

Cover for Josiah Edward Spurr · 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 Students (Book) (2022)

Geology Applied to Mining; a Con... (2022)

Josiah Edward Spurr

Cover for Josiah Edward Spurr · 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 Students (Book) (2022)

Geology Applied to Mining; a Con... (2022)

Josiah Edward Spurr

Cover for Josiah Edward Spurr · Geology of the Tonopah Mining District Nevada (Book) (2022)

Geology of the Tonopah Mining Di... (2022)

Josiah Edward Spurr

Cover for Josiah Edward Spurr · Through the Yukon Gold Diggings (Paperback Book) (2017)

Through the Yukon Gold Diggings (2017)

Josiah Edward Spurr