Andrew Carnegie：Autobiography of Andrew Carnegie, Excerpt 17

The great event of the day in Pittsburgh at that time was the arrival and departure of the steam packet to and from Cincinnati, for daily communication had been established. The business of the city was largely that of forwarding merchandise East and West, for it was the great transfer station from river to canal. A rolling mill had begun to roll iron; but not a ton of pig metal was made, and not a ton of steel for many a year thereafter. The pig iron manufacture at first was a total failure because of the lack of proper fuel, although the most valuable deposit of coking coal in the world lay within a few miles, as much undreamt of for coke to smelt ironstone as the stores of natural gas which had for ages lain untouched under the city.

Source： https://www.gutenberg.org/ebooks/17976
Locator：Chapter III, excerpt 17 · Verified：2026-10-19 · Verification：Short excerpt

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