Recurring oil theft on the Wind River Reservation in the 1970s eventually led to better practices that focus on preventing such losses and protecting American Indian tribes’ oil and gas revenues. 

In 1909, Elinore Pruitt answered Burntfork, Wyo. rancher Clyde Stewart’s Denver Post ad for a housekeeper. She soon married Stewart and achieved her dream of becoming a homesteader. Her vivid letters about her experiences were published in the book Letters of a Woman Homesteader, bringing her nationwide fame. 

The highly controversial ETSI coal slurry pipeline, proposed in the 1970s to move millions of tons coal from Wyoming’s Powder River Basin to power plants Oklahoma, Arkansas and Louisiana, was never built, due to falling 1980s energy prices and stiff opposition from railroad companies.

Trained in Paris and Rome, Baltimore artist Alfred Jacob Miller attended the 1837 fur-trade rendezvous in what’s now western Wyoming. Miller sketched and painted all aspects of the fur trade for his patron, the Scottish adventurer William Drummond Stewart, and later reworked much of this material into oil paintings for a wider audience.

Rural electrification brought welcome changes to farms and ranches throughout Wyoming in the 1930s and 1940s, despite numerous early challenges—including opposition from existing utilities— that threatened to thwart the effort.

Natrona County’s Salt Creek Field is best known of Wyoming’s early oil fields, but five others—two in Park County and one each in Hot Springs, Niobrara and Converse counties—played important roles in the state’s 20th century transformation from an agricultural to an industrial economy.

On April 2, 1909, seven cowmen attacked a sheep camp near Spring Creek in the southern Big Horn Basin. The raiders killed three men, kidnapped two others, killed sheep dogs and dozens of sheep and destroyed thousands of dollars of personal property. It was the deadliest sheep raid in Wyoming history. Unlike many previous incidents after which raiders went unpunished, however, prosecutors this time were successful and five raiders were jailed, marking the end of 15 years or more of violence between cattle- and sheepmen.

The mystery surrounding the Pedro Mountain Mummy, discovered in the 1930s about 60 miles south of Casper, Wyo., by two gold prospectors, continues to intrigue people. While some sensational media accounts indicated the mummy might have been one of the little people of American Indian folklore, scientists who studied the artifact in detail have concluded that the mummy was an infant who died because of a congenital defect.

On Aug. 29, 1865, troops under Brig. Gen. Patrick E. Connor attacked an Arapaho village near present Ranchester, Wyo. Connor’s detachment was part of a large expedition ordered to subjugate the warring Cheyenne, Sioux and Arapaho in the Powder River Basin. Overall success was mixed. Connor was relieved of his command.

Although the Teapot Dome Scandal of the 1920s was named for a Wyoming rock formation resembling a teapot, the wrongdoers were not from the state. During the administration of President Warren G. Harding, oilmen Harry Sinclair and Edward Doheny bribed Secretary of the Interior Albert Fall to gain access to the naval petroleum reserves located at Teapot Dome in the Salt Creek field north of Casper in northern Natrona County. Fall was the first Cabinet official to be imprisoned for crimes committed during his time in office. Sinclair also served a jail sentence.