Black Hawk, Colorado .Growth. 1868. P.1 C.2 Age of camp; mills; mines, lists; improvements. 1880. p.12 c.3 History Of progress, 1878. 1879. p.3 c92 Schools; churches; city election; miners returning. 1880.p.2 c.3 Colonel Randolph stamp mill active. R. M. News. Nov. 20, 1882 p.6 c.1 Mills full of ore. R. M. News. Dec. 1, 1882 p.3 c.1