GOLD MINES AND PROSPECTS IN IA
ounces of gold during 80 days of milling (Pardee and Park, 1948, p. 59). In December, 1853, six shafts were open at the mine where a 50-ton mill was utilized to process ore valued at $8 per ton (Park, 1936, p. 27). The mine continued to operate until the Civil War. In 1933-1934, Henry Ford bought the mine and removed the plant