Description
This 1954 publication discusses the early history mining and includes some early mine maps. Also discussed are the early smelters, the period of consolidation in mining claims that began in about 1900, and the growth of innovation of mining equipment. The beginnings of electric generation to support cities and mining needs, starting in 1880 and the amounts used, are presented. Lastly, the economics of the mining of lead and zinc is discussed.. 42 pages. Digital PDF download. MI-02D
