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Oregon-Mormon-California-Pony Express Trails

The Oregon, California, Mormon Pioneer, and Pony Express Trails helped the United States to expand west of the Missouri River across the homelands of independent American Indian nations and claimed by Great Britain, Spain, France, Russia, and Mexico.

The trails facilitated American settlement of those lands and encouraged the development of a transcontinental transportation and communications network.

Baker City, OR - Oregon Trail Interpretive Center

Baker City, OR - Oregon Trail Interpretive Center

Baker City, OR - Oregon Trail Interpretive Center - 2

Baker City, OR - Oregon Trail Interpretive Center - 2

Baker City, OR - Oregon Trail Interpretive Center Mine Replica

Baker City, OR - Oregon Trail Interpretive Center Mine Replica

Baker Valley, OR - Flag Hill Loop

Baker Valley, OR - Flag Hill Loop

California Trail, CA

California Trail, CA

Casper, WY - 1890

Casper, WY - 1890

Chimney Rock, NE

Chimney Rock, NE

Courthouse & Jail Rocks, NE

Courthouse & Jail Rocks, NE

Devils Gate and Sweetwater River, WY

Devils Gate and Sweetwater River, WY

Devils Gate, WY

Devils Gate, WY

Elmore County, ID - Oregon Trail Hot Springs

Elmore County, ID - Oregon Trail Hot Springs

Fort Caspar, WY

Fort Caspar, WY

Fort Caspar, WY - Ferry

Fort Caspar, WY - Ferry

Fort Caspar, WY - Guinard Bridge

Fort Caspar, WY - Guinard Bridge

Fort Caspar, WY - Guinard Bridge - 2

Fort Caspar, WY - Guinard Bridge - 2

Fort Caspar, WY - Living Quarters

Fort Caspar, WY - Living Quarters

Fort Caspar, WY - Living Quarters Interior

Fort Caspar, WY - Living Quarters Interior

Fort Laramie, WY - Barracks

Fort Laramie, WY - Barracks

Fort Laramie, WY - Barracks Dining Room

Fort Laramie, WY - Barracks Dining Room

Fort Laramie, WY - Barracks Interior

Fort Laramie, WY - Barracks Interior