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Title Section Last update
Fur trading in 1834 Essay 10/12/2011
Railroad arrives in Laramie Essay 10/12/2011
Burlington Railroad in Wyoming Essay 10/7/2011
Pinedale Anticline development Essay 10/12/2011
Edison, Thomas in Wyoming Territory Encyclopedia 10/12/2011

Recent Articles

Encyclopedia | South Pass Gold Rush
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...
Essay | The Mineral Leasing Act of 1920: The law that changed Wyoming’s economic destiny
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...
Essay | J. B. Okie, Sheep King of Central Wyoming
The vivid, charismatic J. B. Okie raised sheep near Badwater Creek at the turn of the last century, and was so successful he was called “Sheep King.” A businessman with great vision, he soon owned...
Essay | The Wagon Wheel Project
A late-1960s Atomic Energy Commission plan to extract Wyoming natural gas with five underground nuclear explosions won strong initial support from the oil and gas industry and the federal government...
Essay | Rock Springs, Wyoming
Rock Springs, Wyo. traces its origins to a coal mine established there in 1868 to serve the still-building Union Pacific Railroad. Ever since, the town has been enriched by the people who came from...
Encyclopedia | Toomey’s Mills
Toomey’s Mills in Newcastle, Wyo., began operations as Newcastle Milling Company and Electrical Light Plant in 1905, producing flour by day and generating electricity at night. In 1919, D. J. Toomey...
Encyclopedia | Casper, Wyoming
Though the site was an important river crossing on the early frontier, the town of Casper did not begin until 1888, when the Fremont, Elkhorn & Missouri Valley Railroad reached the area. The town...