In 1867, Union Pacific Railroad survey crews plotted the site for present day Cheyenne near the Crow Creek Crossing in the Dakota Territory.

Here's an interesting photographic retrospective of Wyoming's Capital City over the last 150 years.

The Hall of Wheels Music Hall, circa 1877

Music Hall
Three Lions, Getty Images
Music Hall

The Bella Union Gold Room in 1877

Gambling Saloon
Three Lions, Getty Images
Gambling Saloon

Cheyenne native Guy Weedick, who founded the Calgary Stampede Rodeo in 1912

Calgary Cowboy
Keystone Features, Getty Images
Calgary Cowboy

A Cheyenne banker talks to a customer in the 1940s

Cheyenne Bank
Fox Photos, Getty Images
Cheyenne Bank

Governor Lester Hunt and actress Janice Paige parade through the streets of Cheyenne in 1947

Lester And Janis
Fox Photos, Getty Images
Lester And Janis

The premiere of the movie "Cheyenne" at the Lincoln Theatre in 1947

Film Premiere
Fox Photos, Getty Images
Film Premiere

The Cheyenne Depot, circa 1971 

Train Station
Vincent Brown, Keystone Features, Getty Images
Train Station

Cheyenne Frontier Days, circa 1991

Cheyenne Frontier Day Rodeo
Ken Levine , Allsport, Getty Images
Cheyenne Frontier Day Rodeo

Peacekeeper and Minuteman Missiles at Warren Air Force Base in 2001

Pentagon to Scap "Peacekeepers" Missiles
Michael Smith, Getty Images
Pentagon to Scap "Peacekeepers" Missiles

The Olympic Flame on display at the Wyoming State Capitol in 2002

Olympic Torch Relay X Cornay
Todd Warshaw, Pool, Getty Images
Olympic Torch Relay X Cornay

An old farm house just outside of Cheyenne, circa 2007

Wyoming The Least Populous U.S. State
Spencer Platt, Getty Images
Wyoming The Least Populous U.S. State

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