Salt When Dr. Christopher C. Graham dug here in about 1876 he found remains of one of these early furnaces: "In sinking one of our pits, we came to a regularly built furnace, six feet under ground, and took up the pipes, partly decayed, that conducted the water from the main spring to the furnace, where salt was made nearly a hundred years ago." C. C. Graham, "The Mammoth's Graveyard," Courier Journal; reprinted in Boone County Recorder 22 Feb 1877, p. 1. Zadoc Cramer, The Navigator, 1810 edition, p. 119-120.

References:

Filson's remarks on Salt in Kentucke

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