True, not very wide publicity was given to the Dunbar-Hunter expedition to the hot springs for at least a hundred years after its completion. If any full-length book of biographical data was released before "Life, Letters and Papers of William Dunbar, 1749-1810" appeared in 1930, this writer has not run across it. The report of the journey up the Ouachita to the hot springs, carefully prepared by Dunbar, was promptly submitted to Jefferson. It was relayed to Congress and a digest of it appeared in Volume 4 of the "American State Papers", covering March 3, 1789, through March 3, 1815, published in 1832 (2). It rated brief mention from time to time in books issued on Arkansas. Josiah Shinn, an Arkansas historian, in History of Arkansas (1898, 1900), introduced Dunbar twice. Half a page was devoted to his trip to the springs. A paragraph from a two page "footnote" on the significance of ginning to the cotton industry said. "The first screw press was invented by William Dunbar of Mississippi. The cost of the first press was over a thousand dollars and caused Mr. Dunbar to write 'I shall endeavor to indemnify myself for the cost by making cotton-seed oil.' This gave rise to another great industry, amounting in the cotton growing states to nearly $30,000,000 each year. Thus one improvement leads to another and the result of all is a general increase of trade and a corresponding increase of comfort and general progress among people (3)."
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