Publication: Western Electrician
Chicago, IL, United States
Electricity in Placer Mining at
BY JAMES E. JOHNSTON.
The development of the vast mineral resources of Colorado has been very materially aided in many instances by the utilization of the energy of her mountain streams, electricity being the main medium of application. The intermittent character of the flow of these streams, however, has been the most serious drawback to the extended use of waterpower in that section of the Rocky Mountains. Still, for some purposes, this is not as great an obstacle as might at first seem. This is especially so in the case of placer mining, which can only be prosecuted during the summer months, at which time even the most insignificant of the