Precambrian geology and bedded iron deposits of the southwestern Ruby Range, Montana, with a section on the Kelly iron deposit of the northeastern Ruby Range: USGS Professional Paper 1495
The United States Geological Survey (USGS) is a scientific organization created in 1879, and is part of the U.S. government. Their scientists explore our environment and ecosystems, to determine the... This description may be from another edition of this product.
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