A Mining Engineer in Alaska Canada the Western United States Latin America a
A Mining Engineer in Alaska Canada the Western United States Latin America a
Philip Read Bradley
The book A Mining Engineer in Alaska Canada the Western United States Latin America a was written by author Philip Read Bradley Here you can read free online of A Mining Engineer in Alaska Canada the Western United States Latin America a book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is A Mining Engineer in Alaska Canada the Western United States Latin America a a good or bad book?
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I thought it was very valuable. I thought it turned out to be a very valuable thing in later years, because between that and this Catassi readjusting the system of the books, I got very good and very complete cost accounts down at that Pine Tree Mine. I thought they were very good. Did you have to make decisions about what grade of ore to mine? Oh, yes, you did. Believe me, you did. One of the problems I had at the Pine Tree was holding down the mine foremen. I had two awfully good foremen down... there, but I always had to hold them down, because this was a mine that was doing a hundred and fifty tons a day very easily, and that was a fairly large mine for all of California. Not the largest, but relatively large. These mine foremen would get ambitious, and they'd want to just break more rock and put it through the mill. It is very easy to see, if you put too much rock in a mill, you bring the grade down, and you start losing profits. That's a good rule that's almost rule number one. You don't overmine a mine.
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