Sheridan Flouring Mills, Inc.

a.k.a. J.W. Denio Milling Company;Mill Inn

2161 Coffeen Ave., Sheridan, WY
Local significance of the building:
Agriculture; Commerce

Listed in National Register of Historic Places in 1997.

The National Register of Historic Places is the official list of the Nation’s historic places worthy of preservation. Authorized by the National Historic Preservation Act of 1966, the National Park Service’s National Register of Historic Places is part of a national program to coordinate and support public and private efforts to identify, evaluate, and protect America’s historic and archeological resources.

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Wyoming was the location of the world's first commercial oil well, which was drilled in 1859 near present-day Casper.
Sheridan County, located in the state of Wyoming, has a rich and diverse history that spans centuries. The area that is now Sheridan County was originally inhabited by various Native American tribes, including the Crow and the Sioux. These tribes roamed the land and relied on the abundant wildlife for sustenance. The arrival of European explorers and fur trappers in the early 19th century brought significant changes to the region.

In the 1860s, gold was discovered in the nearby Big Horn Mountains, which led to an influx of miners and prospectors to the area. This brought about the establishment of several mining camps and towns, including the town of Sheridan in 1882. The discovery of coal and the arrival of the railroad further contributed to the growth and prosperity of the county.

Sheridan County played a significant role in the development of the American West. The region became a hub of cattle ranching and agriculture in the late 19th century. The local economy thrived as cattle ranchers grazed their herds on the expansive grasslands and supplied beef to neighboring territories. The county also saw the establishment of numerous ranches and homesteads, which shaped the landscape and the community.

The history of Sheridan County is also marked by periods of conflict and tension. The region experienced several clashes between Native American tribes and settlers, as well as conflicts between cattle ranchers and sheepherders. The battles for land and resources were a reflection of the larger struggles of the American West during this time.

Today, Sheridan County is a vibrant community that embraces its western heritage while also embracing modern developments. The county continues to celebrate its rich history through various cultural events and festivals, and the local economy is diversifying to include industries such as tourism and technology. Sheridan County's past has shaped its present, and its residents are proud to carry on the legacy of their historical roots.

This timeline provides a condensed summary of the historical journey of Sheridan County, Wyoming.

  • 1867 - Sheridan County is established on March 9, 1867.
  • 1892 - The city of Sheridan is incorporated on August 6, 1892.
  • 1901 - Sheridan County Courthouse is built in 1901.
  • 1920 - The Sheridan Inn, a historic hotel, is constructed in 1920.
  • 1950 - The population of Sheridan County reaches over 17,000 in 1950.
  • 1969 - The historic Sheridan County Museum is established in 1969.
  • 1990 - The population of Sheridan County exceeds 25,000 in 1990.
  • 2019 - Sheridan County celebrates its 150th anniversary in 2019.