Helwig, John H. Papers
Collection Number: MC250
- The small collection contains materials from John H. Helwig related to a mining claim for the Jennie Lind Placer Mine in North Bloomfield, California in the late twentieth century.
- Inclusive Dates
- Natural Resources
- Finding Aid on the Online Archive of California (http://www.oac.cdlib.org/findaid/ark:/13030/c8542p7m/)
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