Cărți de Survey, United States Geological

Geology and Ore Deposits of the Takilma and Waldo Mining Districts

Autor Survey, United States Geological et al.

Preț: 66^.95 lei

3-5 săpt.

Lode Gold of the Klamath Mountains of Northern California and South West Oregon

Autor Survey, United States Geological et al.

Preț: 75^.14 lei

3-5 săpt.

Geology of the Yreka Quadrangle, Siskiyou County, California

Autor Survey, United States Geological et al.

Preț: 55^.72 lei

3-5 săpt.