Convict labor Hobos in Pueblo strike at rock pile but bread and water diet makes them work; Pueblo known for its rock pile. Times Jl 22, 1899 p.3 c.2 Union labor opposes use of convict labor at Canon City Penitentiary. Times S 19, 1899 p.8 c.6 Convict competition with free labor at Canon City Penitentiary. Times Q 28, 1899 p.2 c.1 Times D 17, 1899 p.8 c.1 Labor not pleased at decision to keep convicts at work, at Canon City Penitentiary. Times D 19, 1899 p.6 c:2 0