Statistics for occurrence #1 of “United States” in chapter 1.9, section c.1.9.48, page 99 of Southern Historical Society Papers, Volume 17.:
...-mills, smelting works, chemical works, a powder-mill far superior to any in the United States, and a chain of arsenals, armories, and laboratories equal in their capacity to the best of those in the United States , and stretching link by link from Virginia to Alabama.
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