History of the Arkansas Valley, Colorado. E-book. Formato PDF O. L. Baskin And Company   -  Forgotten Books, 2017  - 

Colorado State Penitentiary 561 Denver City Mine 95 Distant View of Toltec 197 Elwell, Charles. Residence of 477 Evening Star Mine 831 Fremont County Court House 617 Gay, Frank, Iron Works of Grant Smelting Company's Works 301.