Title: Map showing geochemical favorability for mesothermal base- and precious-metal veins in the Wallace 1⁰ x 2⁰ quadrangle, Montana and Idaho /
Authors: Leach, D. L.; Geological Survey (U.S.)
Publisher: The Survey ; For sale by Map Distribution,
Year: 1989
Subjects: Geochemical prospecting Montana Maps.; Geochemical prospecting Idaho Maps.; Precious metals Montana Maps.; Precious metals Idaho Maps.; Montana Maps.; Idaho Maps.