Gillette, Campbell County, Wyoming, USA

Gillette is a city in northeastern Wyoming and the seat of Campbell County. It began as a railroad stop serving ranchers moving cattle across the open plains. Coal mining in the Powder River Basin later became a defining part of the regional economy, alongside oil and gas activity. The city acts as a service and commercial center for nearby towns and energy-producing areas. Its high-plains setting and industrial heritage are visible in local museums, mine tours and equipment displays.