Ore Deposits of the Helena Mining Region, Montana: Usgs Bulletin 527

by Adolph Knopf

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.

• Format: Paperback
• Language: English
• ISBN: 1287041086
• ISBN13: 9781287041085
• Release Date: April 2013
• Publisher: Bibliogov
• Length: 154 Pages
• Weight: 0.63 lbs.
• Dimensions: 0.3" x 7.4" x 9.7"