Twenty years of work went into the writing of this: the first book to cover the history of mines and mining in North and South America. The text is enlivened by sketches of many miners the author got to know over the decades.Of course, if they cleaned the carpeting too often, the muck was of poor quality, usually much more iron than gold. ... on analysis, and everything depended on guess work, the final quantities of gold recovered were also simply that, guess work.
|Title||:||Mining in the Americas|
|Publisher||:||Woodhead Publishing - 1993-01-01|