Fort Fetterman was established by the U.S. Army on the North Platte River near present Douglas, Wyo. in 1867. It served as a staging point for Gen. George Crook’s three campaigns against Cheyenne and Lakota Sioux Indians in 1876, near the end of the Indian Wars. The Army abandoned the post in 1882, and the settlement finally closed down a few years later when the railroad arrived at Douglas, seven miles to the south.

In 1869, Fort Fred Steele was built by the U.S. Army to protect workers on the advancing transcontinental railroad at the spot where the rails crossed the North Platte River. The fort was closed in 1886, and the site, containing foundations of the original buildings, was much later acquired by the state.

Green River, Wyo., on its namesake river and on the Union Pacific Railroad, began as a stage station. After the U.P. relocated switching and roundhouse operations there in the early 1870s, the Green River rail yard became one of the busiest in the nation. Since the early 1900s, this county seat of Sweetwater County has weathered many booms and busts of nearby oil, gas and trona development, with the railroad and county government steadying its economy all the while.

Mary Hughes was just 17 years old in 1908 when the No. 1 Mine exploded twice in one day—and for the second time in five years—in Hanna, Wyo. Her story shows the devastating impact that coal mine accidents had on families like the Hugheses across Wyoming’s mining communities, and reveals her determination to survive disaster.

On Wyoming’s border with Nebraska, Goshen County and its economy have long been stabilized by farming and ranching. Today, sugar beets and cattle are the main products. The area is traversed by the Oregon Trail and the North Platte River, is the home of Fort Laramie, and was well known to Euro-Americans by the 1830s. The Burlington Railroad arrived in 1900 and a Union Pacific line in the early 1920s, both providing impetus to the birth of many small towns, a few of which survive and thrive. Goshen County now supports a population of about 13,500.

Fort Laramie began as a fur-trade post in 1834 near the confluence of the Laramie and North Platte rivers. Soon it changed into a post for the trade in buffalo robes, and for supplying emigrants bound west on the Oregon/California/Mormon Trail. In 1849 the post was purchased by the U.S. Army, and became an important supply, logistics and communications center for the Indian Wars campaigns of the next four decades. In recent decades the post has been carefully restored, and today is a National Historic Site.

Tom Horn, stock detective and hired killer, was hanged in Cheyenne in 1903 for a crime he probably did not commit. He remains controversial because of lingering questions about his guilt and the nature of the trial. Horn’s death remains important as it shows the power of Wyoming’s cattle barons, once substantial, beginning at last to wane.

Cantonment Reno, at the Powder River Crossing of the Bozeman Trail in present Johnson County, was renamed Fort McKinney after the death of Lt. J.A. McKinney in 1876. That site was abandoned in 1878, and the fort’s name moved with the troops to a new site west of present Buffalo, Wyo. The fort closed in 1894, and in 1903 the site was taken over by the Veterans’ Home of Wyoming, which remains in operation there today.

Wiliam Ross worked his way from prosecuting attorney of Laramie County to the nomination for Governor on the Democratic Party's ticket. He died in his office and his wife was elected to take his place.

Established by mountain men Jim Bridger and Louis Vasquez in 1843, Fort Bridger was an important rest and re-supply spot for emigrants bound to Utah, California and Oregon. Mormons acquired the site in the mid-1850s, and burned it in 1857 as the U.S. Army approached during the bloodless Utah War. The following year the Army took over, and garrisoned the fort until 1890. Today it is a state historic site.