Gold mines and mining -- Michigan -- Keweenaw Peninsula
Subject
Subject Source: Library of Congress Subject Headings
Found in 1 Collection or Record:
Electrical Self-potential Geophysical Prospecting Records
Collection — Box 1
Identifier: MS-737
Abstract
Records, undated, on the use of electrical self-potential geophysical prospecting as well as other dowsing techniques to locate copper and gold deposits in Michigan's Keweenaw Peninsula.
Dates:
undated