Cărți de Us Dept of Geological Survey

The Juneau Gold Belt of Alaska

Autor Us Dept of Geological Survey

Preț: 142^.84 lei

3-5 săpt.

The Rampart Placer Gold Region of Alaska

Autor Us Dept of Geological Survey et al.

Preț: 74^.45 lei

3-5 săpt.

Mining in the Jumbo Basin of Alaska

Autor Us Dept of Geological Survey et al.

Preț: 67^.91 lei

3-5 săpt.

Placer Gold Mining in Arizona

Autor Us Dept of Geological Survey et al.

Preț: 59^.50 lei

3-5 săpt.

Mining in the Dragoon Quadrangle of Cochise County, Arizona

Autor Us Dept of Geological Survey et al.

Preț: 142^.67 lei

3-5 săpt.