Andrew Carnegie：Autobiography of Andrew Carnegie, Additional Excerpt 342

We finally obtained the right to take the mine over at any time within six months, and we therefore began the work of examination, which every purchaser of mineral property should make most carefully. We ran lines across the hillside fifty feet apart, with cross-lines at distances of a hundred feet apart, and at each point of intersection we put a shaft down through the ore. I believe there were eighty such shafts in all and the ore was analyzed at every few feet of depth, so that before we paid over the hundred thousand dollars asked we knew exactly what there was of ore. The result hoped for was more than realized. Through the ability of my cousin and partner, Mr. Lauder, the cost of mining and washing was reduced to a low figure, and the Scotia ore made good all the losses we had incurred in the other mines, paid for itself, and left a profit besides. In this case, at least, we snatched victory from the jaws of defeat. We trod upon sure ground with the chemist as our guide. It will be seen that we were determined to get raw materials and were active in the pursuit.

Source： https://www.gutenberg.org/ebooks/17976
Locator：Additional excerpt 342 · Verified：2026-10-19 · Verification：Short excerpt

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