Louisville, which is now a ghost town, was a mining camp in El Dorado Canyon near the Techatticup Mine in the Eldorado Mining District, of New Mexico Territory. Richard E. Lingenfelter, Steamboats on the Colorado River, 1852-1916, University of Arizona Press, Tucson, 1978 The camp was probably named for Nat S. Lewis, the superintendent of the Techatticup Mine in the 1860s, and camp doctor.Daily Alta California, Volume 18, Number 5922, 28 May 1866, p.1 col. 5-6; OUR ARIZONA CORRESPONDENCE, Up The Colorado, (from the Correspondent of the Alta California), El Dorado Canyon, April 30th, 1866, Alling [Frank S. Alling]

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