http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Introduction to geology and resources of gold, and geochemistry of gold
1 online resource (iv, 25 pages) : illustrations.
The case for gold-an introduction to geology and resources of gold in the United States / by Daniel R. Shawe -- Geochemistry of gold in hydrothermal deposits / by Samuel B. Romberger.
Daniel R. Shawe and Samuel B. Romberger.
Title from title screen (viewed Apr. 20, 2016).
Geochemistry of gold in hydrothermal deposits
Geology and resources of gold in the United States ; ch. A
U.S. Geological Survey bulletin ; 1857-A