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Wyoming’s Founding Figures

Indigenous People in Wyoming and the West

Woman Suffrage and Women’s Rights

Exposed: Pre-territorial Photography in Wyoming, 1843-1867

Less than three years after French painter Louis Daguerre shared with the world how to make pictures on polished sheets of silver-plated copper, Lt. John C. Fremont attempted to photograph the land we think of as Wyoming. The early photographers of Wyoming adapted new technology to rough terrain and unforgiving elements.

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Bissonette’s North Platte River Post

From 1850 to 1854, fur trader and interpreter Joseph Bissonette ran an independent trading post on the North Platte River, serving emigrants and Lakota bands alike. He later worked as a ferryman, bridge partner, and government official through the Oregon Trail’s final violent years.

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Bissonette’s Deer Creek Post

Fur trader Joseph Bissonette built a bustling trading post at the mouth of Deer Creek in 1857—a crossroads of commerce, diplomacy and scandal that hosted Lutheran missionaries, Pony Express riders and a wary military garrison before Indian wars reduced it to ashes in 1865.

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Seminoe’s Post

In 1852, Charles Lajeunesse built a trading post at Devil’s Gate, funneling all Sweetwater Valley emigrant traffic past his door. Abandoned by 1856, its ruins sheltered the stranded Martin Handcart Company that winter. Lost for a century, the site was rediscovered and rebuilt in 2001.

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Archambault’s Post

Along the Sweetwater River near Independence Rock, Archambault’s Post traded with emigrants and Native peoples through the 1850s, its history tangled with the neighboring Seminoe’s Post. Abandoned by 1856, it briefly sheltered Mormon handcart emigrants stranded that fall in a killing snowstorm.

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Pre-territorial Photography in Wyoming, 1843-1867
Bissonette’s North Platte River Post
Bissonette’s Deer Creek Post
Seminoe’s Post
Archambault’s Post

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Roadside History, Now on Your Screen: Wyoming’s Monuments and Markers Map

Pull over, read the sign, learn what happened here. Wyoming’s Monuments and Markers Program has refreshed its interactive map so travelers, teachers, and history lovers can find the state’s historical markers before they ever leave home.

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roadside sign hung from a wood crossbar that says, "Wyoming;" text on sign is titled "Sheep Mountain" and describes the geology of the areay

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