Online resource; title from PDF title page (USGS viewed Apr. 11, 2017).
Contents
Introduction -- Geology of the region -- Descriptive geology of the Butte district -- Structure of Butte district -- The fractures -- The ores -- Rock alteration -- Genesis of the copper ores -- The veins -- Detailed description of the copper lodes -- The silver lodes -- Index.
Access
Use copy Restrictions unspecified star MiAaHDL
Reproduction
Electronic reproduction. [S.l.] : HathiTrust Digital Library, 2011. MiAaHDL
System Details
Master and use copy. Digital master created according to Benchmark for Faithful Digital Reproductions of Monographs and Serials, Version 1. Digital Library Federation, December 2002. http://purl.oclc.org/DLF/benchrepro0212 MiAaHDL
Processing Action
digitized 2011 HathiTrust Digital Library committed to preserve pda MiAaHDL
