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Mining in the Jumbo Basin of Alaska
Bok av Us Dept Of Geological Survey
The Rampart Placer Gold Region of Alaska
Bok av Us Dept Of Geological Survey
The Juneau Gold Belt of Alaska
Bok av Us Dept Of Geological Survey
Gold in the Gold Basin and Lost Basin Mining Districts of Mohave County,...
Bok av Us Department Of Interior
Mining in the Alturas Quadrangle of Blaine County Idaho
Bok av Idaho Bureau Of Mines
Uranium Mining at the Dripping Spring Quartzite in Gila County, Arizona
Bok av Us Dept of Interior Kerby Jackson
The Wallapai Mining District of Mohave County, Arizona
Bok av Us Dept Of Interior
The Aravaipa and Stanley Mining Districts of Graham County Arizona
Bok av Us Department of Interior Kerby Jackson

Mining in the Dragoon Quadrangle of Cochise County, Arizona

Bok av Us Dept Of Geological Survey