The Great Falls Reduction Department
Processing ore from the great mines of Butte, Montana required significant industrial capacity spread over a large area of the state. With over 30 photos, this article takes a detailed look at the massive facility known as the Great Falls Reduction Department, where copper and zinc were refined into finished products. Continue Reading
Gathering Gold: The Mines of Bobtail Hill
“Gathering Gold – An Illustrated Treatise on Modern Methods of Operating Gold Mines and Marketing Their Product” by General Frank Hall gives a fascinating look at the mines of Bobtail Hill at Blackhawk, Colorado around 1900. Continue Reading
“The Twenty Mule Teams of Death Valley” presents text and diagrams from a series of reports by the Historic American Engineering Record. Included are historical images of these iconic western wagon teams. Continue Reading
The ore that came out of western mines usually had to be milled to separate the valuable metals from the waste rock. Mills of many types were built to treat the variety of ores coming out of the mines. “Winning the Metal: Ore Mills of the West” takes a look at some of the more common mill processes and includes numerous photos of the West’s great mills. Continue Reading
The remains of mining-era arrastras are fairly common in the West, but what exactly are they? The short answer is that the arrastra was the most primitive method used to crush ore into a fine enough powder that the precious metals could be separated from the host rock. While many people are familiar with the Continue Reading
Development of Arizona’s Vulture mine was impeded for many years before a pipeline that was 13-15 miles long was completed in 1880. This article takes a look at the history of the pipeline, and its effect on mining in the area. Continue Reading
Western Museum of Mining and Industry (WMMI) is an organization that works to preserve the mining history of the western United States. The 27 acre facility in Colorado Springs, Colorado contains over 5,000 mining-related artifacts. The photos in this post represent just a small part of the numerous fascinating exhibits at this incredible facility. Pictured Continue Reading
Large underground mines often have important infrastructure and facilities built in underground chambers, hundreds or thousands of feet below the surface. Storage facilities, repair shops, and even modern hoist houses can be found deep within the mines. These facilities weren’t often captured in photographs, so it is a rare treat to be able to see Continue Reading
