The SciencesAugust 15, 1896
Cripple Creek
Stories by Arthur Lakes
The SciencesOctober 27, 1894
A Typical Gold Mine
Machinery
The SciencesOctober 20, 1894
A Typical Gold Mine
Incline Shaft and Lower Levels
The SciencesOctober 13, 1894
A Typical Gold Mine