Award-winning historian Will Bagley explains that without South Pass and the easy grade it offered to early transcontinental travelers, the history of the United States would have been much different...
Discovery of gold near South Pass in the 1860s led to the creation and settlement of short-lived South Pass City, Wyo. and other settlements nearby. The Carissa Mine was one of the richest, but...
In 1830, a party of fur traders led by William Sublette took wagons to the trade’s annual rendezvous at the headwaters of Wind River that year, east of the Continental Divide. Two years later, Capt....
As the beaver trade waned in the 1830s, so did economic reasons for an American toehold in the Oregon country, still under joint British-American occupancy. Religion shifted the balance of power,...
Robert Stuart and partners and employees of the fur magnate John Jacob Astor, traveling east in 1812 from the Oregon coast to St. Louis, crossed “a handsome low gap” in the Rocky Mountains in October...
The Mineral Leasing Act of 1920 established the modern system by which oil and coal companies may lease federal land. This system has proven enormously beneficial to Wyoming’s state coffers since it...
The final Wyoming Territorial Legislative Assembly created Weston County in March 1890. Thirty years later, the discovery of oil at Osage, Wyo., halfway between the county seat of Newcastle and the...