Arthur F. Baumhoff operating a Caterpiller tractor ahead of one of his dredges owned jointly with E. T. Fisher near Centerville, Idaho. Note close connected bucketline dredge in the background.
Founded late in the fall before the big rush to Thunder Mountain in the beginning of 1902, Roosevelt soon became the leading camp in the new mining district. Thousands of men, having heard that Thunder Mountain was destined to be the biggest gold...