Geology and mineral deposits of the James River-Roanoke River manganese district, Virginia
<p>No abstract available.</p>
Public-domain full text preserved in the Mountain Man Mining Library. Original source: pubs.usgs.gov.
Geology and mineral deposits of the James River-Roanoke River manganese district, Virginia Author: Espenshade, Gilbert H. Year: 1954 Category: Report abstract available.</p> Tags: usgs, manganese Virginia deposits Source: https://pubs.usgs.gov/bul/1008/plate-10.pdf