Rainbow Mine, adit level. Sierra County, California. 1924.
Dates
Date Taken
1924
Summary
Altered but unsheared country rock separating quartz strands, Rainbow Mine. Main vein, adit level. Sierra County, California. 1924. Plate 11-C, in U.S.Geological Survey Professional paper 172. 1932.
Summary
Altered but unsheared country rock separating quartz strands, Rainbow Mine. Main vein, adit level. Sierra County, California. 1924. Plate 11-C, in U.S.Geological Survey Professional paper 172. 1932.
This USGS product is considered to be in the U.S. public domain. For further information on the USGS Information Policies and Instructions, refer to the Copyrights and Credits section on this web page: http://www.usgs.gov/laws/info_policies.html