Mills - 35 minute Power Point presentation

This pictorial presentation focuses on Colorado mills that remain standing. Directions are integrated into the talk. Old mills are among the most photogenic structures in the state. Some are open to the public and others are in remote locations.

All of these presentations allow for discussion with questions welcome.

Little Nation lower tram station at Howardsville near Silverton.

American Eagles mine near Victor, Colorado.

Vindicator ore house, Vindicator Valley near Victor, Colorado.

Presentations(continued)

Milling Technology - 45 minute Power Point presentation

This is a complex subject that involves chemistry and specific gravity with some use of the periodic table. The talk simplifies milling technology through photographs and diagrams to make this easy to understand. It starts with the earliest form of milling, an arrastra, and worked its way to flotation and end with smelting.

One of several examples of mining techniques.

Colorado Mining Techniques - 40 minute Power Point presentation


 


Champion mill near Leadville

Colorado Mines – 45 minute Power Point presentation


This is a photographic look at some of Colorado’s best mines and many that are included can be visited including the Lebanon and Phoenix in the Clear Creek area near I-70. Major tourist attractions, including the Country Boy near Breckenridge and the Mollie Kathleen near Cripple Creek, are featured. Some of the more remote mines are also covered.

This is an introduction to Colorado mining from the time of discovery of valuable ore, to mining surface deposits and ending with hard rock mining. The various mining techniques and terminology are covered including sluicing, dredges, open pit mining and underground ore removal. The basic mine structures are covered along with examples of mining equipment.