After the Burlington Railroad reached Sheridan, Wyo. in 1892, coal camps—company towns for miners and their families—were established next to a series of mines north of the town. The mines served local and regional markets as well as the railroad. By 1910, a total of around 10,000 people lived in these camps—Dietz, Kooi, Monarch, Acme and Carneyville, later renamed Kleenburn—more than lived in Sheridan. A busy electric railway ran the 15 miles from town to the camps and back. Most of the miners were immigrants, more than half of them Polish, and their descendants still play vital roles in Sheridan County today.

In 1843, explorer John C. Frémont reported coal in what’s now southwest Wyoming. In the 1860s, the route of the new transcontinental railroad across Wyoming was chosen partly to access abundant coal deposits for fuel for the locomotives. Coal mining boomed, labor strife increased and Wyoming’s coal industry thrived despite worker strikes and a number of horrific mine accidents. Today, the state produces 40 percent of the nation’s coal, most of it from huge strip mines in the Powder River Basin in northeast Wyoming, for rail shipment to electric power plants in 34 states.

The Piedmont Charcoal Kilns southwest of Evanston, Wyo. were built in 1869 to supply charcoal primarily to Utah mining and smelting operations. The town of Piedmont’s location—on the Union Pacific Railroad but near a ready timber supply in the Uinta Mountains—made it a logical spot for the industry. Most of the charcoal was shipped to the Salt Lake valley, and some to Fort Bridger for use in blacksmith forges and heating stoves. Piedmont was a railroad station on the Union Pacific line. Three of the original five kilns remain standing. The site is on the National Register of Historic Places.

Pinedale, Wyo. was founded in 1904, incorporated in 1912 and became seat of brand-new Sublette County in western Wyoming in 1921, when the town still boasted only about 100 people. Despite its isolation, the town survived well through the 20th century on ranching and tourism. It began to change more quickly in the early 1990s, as development sped up in the nearby Pinedale Anticline and Jonah natural gas fields. Today, with more than 2,000 people, the town works hard to keep its traditions while dealing with steady, industrial growth.

Since it first entered the state in 1890, the Burlington Railroad has helped connect Wyoming with the world. Burlington officials were drawn here by Wyoming’s marketable natural resources and by its geography: Wyoming offered the best routes for transcontinental lines from the Midwest and South to the Pacific Northwest.

In October 1969, University of Wyoming Head Coach Lloyd Eaton dismissed 14 black football players from his team when they showed up at his office wearing black armbands over their street clothes, to protest what they saw as racist policies of Brigham Young University. The incident sparked widespread controversy and swung the national news spotlight on Wyoming.

Wyoming’s bone-dry Bighorn Basin is isolated by its surrounding mountains and watered by crucial rivers and streams. Its history and natural history are rich with discoveries of dinosaurs, oil and gas, and with the traces of its occupants—American Indians, ranch and farm families, railroad families and oil workers.

One of Wyoming’s early large-scale irrigation projects dates to the 1880s in what’s now Platte County, Wyoming and the county, organized in early 1913, still is perhaps best known for its reservoirs and recreation areas. The Oregon Trail ruts and Register Cliff near Guernsey serve as reminders of the pioneer heritage of the area and a coal-fired power plant near Wheatland provides jobs and economic stability.

Two battles on July 26, 1865 near Platte Bridge Station near present-day Casper, Wyo., are best understood in the context of tribal response to the Sand Creek Massacre the previous November. Twenty-eight U.S. troops were killed that day including Lt. Caspar Collins, for whom Fort Caspar and the town of Casper were later named.

Wyoming gets its name from a green valley in northeast Pennsylvania originally purchased from the Iroquois by a Connecticut land company. An Ohio congressman in 1865 first proposed the name—but later, after he saw our dry, wide plains, he wasn’t so sure he’d had the right idea.