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Cheyenne in Laramie County, Wyoming — The American West (Mountains)
 

"The Mighty Big Boy"

 
 
"The Mighty Big Boy" Marker image. Click for full size.
Photographed by Barry Swackhamer, May 27, 2016
1. "The Mighty Big Boy" Marker
Inscription. The 4004 is one of eight surviving examples of the world's largest steam locomotives. The Union Pacific Railroad had 25 of these goliath built, at a cost of over a quarter million dollars each. The 4004 ran primarily between Cheyenne and Ogden, Utah.
It was retired from service October 31, 1958 having run 440545 miles and placed on this site June 28, 1963.
 
Topics. This historical marker is listed in this topic list: Railroads & Streetcars. A significant historical date for this entry is October 31, 1958.
 
Location. 41° 8.203′ N, 104° 47.993′ W. Marker is in Cheyenne, Wyoming, in Laramie County. It can be reached from East Lincolnway near Nation Way, on the left. Touch for map. Marker is at or near this postal address: 1142 East Lincolnway, Cheyenne WY 82001, United States of America. Touch for directions.

Regionally, this marker is in Wyoming’s Laramie Basin. It is also in the American Mountain West, on the Great Plains, and specifically on the High Plains. Globally, it is in North America, the Western Hemisphere, the Western World, and the Anglosphere. Historically, it finds itself in what was once the Louisiana Purchase.
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Other nearby markers. At least 8 other markers are within walking distance of this marker: Cheyenne's Big Boy 4004 (a few steps from this marker); Babbitt Baxter House (approx. 0.4 miles away); Thomas and Ruie Hunter Home (approx. 0.6 miles away); Barkwell House (approx. 0.7 miles away); Cheyenne Builders and Architects (approx. 0.7 miles away); The Cheyenne Club (approx. 0.7 miles away); a different marker also named The Cheyenne Club (approx. Ύ mile away); Preservation of the Wyoming Historic Governor's Mansion (approx. 0.8 miles away). Touch for a list and map of all markers in Cheyenne.
 
More about this marker. The Big Boy Locomotive is located in Holliday Park.
 
Also see . . .  Union Pacific Big Boy - Wikipedia. Big Boy is the popular name of the American Locomotive Company 4000-class 4-8-8-4 articulated, coal-fired, steam locomotives manufactured between 1941 and 1944 and operated by the Union Pacific Railroad until 1959.... According to Union Pacific senior manager of Heritage Operations Ed Dickens Jr., the 4-8-8-4 series originally was to have been called "Wasatch". One day while one of the engines was being
"The Mighty Big Boy" and Marker image. Click for full size.
Photographed by Barry Swackhamer, May 27, 2016
2. "The Mighty Big Boy" and Marker
built an unknown worker scrawled "Big Boy" in chalk on its front. With that, the legendary name was born and has stuck ever since.
(Submitted on June 15, 2016, by Barry Swackhamer of Brentwood, California.) 
 
Big Boy Locomotive #4004 image. Click for full size.
Photographed by Barry Swackhamer, May 27, 2016
3. Big Boy Locomotive #4004
Big Boy Locomotive #4004 image. Click for full size.
Photographed by Barry Swackhamer, May 27, 2016
4. Big Boy Locomotive #4004
"The Mighty Big Boy" image. Click for full size.
Photographed by YouTube
5. "The Mighty Big Boy"
 
 
Credits. This page was last revised on June 16, 2016. It was originally submitted on June 15, 2016, by Barry Swackhamer of Brentwood, California. This page has been viewed 533 times since then and 24 times this year. Photos:   1, 2, 3, 4, 5. submitted on June 15, 2016, by Barry Swackhamer of Brentwood, California.
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Aug. 30, 2026