Mines and mining in El Dorado County :
the mineral belt : its slates and ores : deep mining : principal mines /
[Carl Roche].
APA Citation
Roche, C. (1882). Mines and mining in El Dorado County: the mineral belt : its slates and ores : deep mining : principal mines. San Francisco: Francis Valentine & Co., Printers and Engravers.
MLA Citation
Roche, Carl. Mines And Mining In El Dorado County: the Mineral Belt : Its Slates And Ores : Deep Mining : Principal Mines. San Francisco: Francis Valentine & Co., Printers and Engravers, 1882.
Warning: These citations may not always be complete (especially for serials).