An original Kodachrome slide from my collection; the photographer was not specified.

A James Marcus original Kodachrome slide from my collection.

A Steve Gartner original Kodachrome slide from my collection.

A pair of General Electric 125 ton, 3000 Volt 'Magna Motors' lead a 90 car train of copper ore empties to the Bingham Canyon Copper Mine on April 8, 1977. Built in 1947, the Magna Motors worked Ke... (more)

A gaggle of Kennecott Copper Corporation pit motors mingle at the 6190 Yard in Utah's famous Bingham Canyon Copper Mine. Among the group is KCC 763, a 90-ton electric built by GE for Kennecott in ... (more)

A warm October '93 afternoon finds SP's Midvale Tramp climbing the 2.4% of the Bingham Branch near Copperton. Gondolas and wood chip cars are loaded with scrap tin, bound for the copper precipitat... (more)

Rio Grande's Midvale Tramp local departs Proler Steel with 10 loads of scrap for Kennecott Copper's precipitation plant at Lead Mine in Bingham Canyon.

The unmistakable profile of an EMD GP30 greets the morning sun near Copperton on D&RGW's Midvale Tramp local.

Entirely too quaint to last much longer, these would soon be swept away.

Rio Grande's Midvale Tramp local departs Proler Steel with nine loads of scrap for processing at Lead Mine in Bingham Canyon.

Rio Grande's Midvale Tramp local departs Lead Mine in Bingham Canyon with nine empties for reloading scrap at Proler Steel near Copperton. D&RGW's remaining trackage leading up to Bingham Canyon i... (more)

Rio Grande's Midvale Tramp local runs around its 10 car train on the Proler Steel passing track near Copperton. Oddly enough, both of these tracks still exist in 2013, although they are now on Ken... (more)

A pair of General Electric 125 ton, 3000 Volt 'Magna Motors' lead a 90 car train of copper ore empties bound for the Bingham Canyon Copper Mine in the Oquirrh Mountains. Built in 1947, the boxy GE... (more)

On New Year's Day '79, a half a dozen new EMD GP39-2s line the tie up tracks at Kennecott's Copperton Yard. These modern high cab diesels replaced the electric GE pit motors in the Bingham Canyon ... (more)

The upper five miles of Rio Grande's Bingham Branch were abandoned more than a decade ago. This section of right of way is now being utilized as a high tension power line corridor. Crews have inst... (more)