http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Gold values of samples from the Devils Backbone area, Tallapoosa County, Alabama
by James F. O'Neill and James L. Vallely.
"Prepared by the U.S. Bureau of Mines in cooperation with the Geological Survey of Alabama."
Circular (Geological Survey of Alabama) ; 67