Battle of Platte Bridge

The Battle of Platte Bridge, also called the Battle of Platte Bridge Station, on July 26, 1865 was the culmination of a summer offensive by the Lakota Sioux and Cheyenne Indians against the United States army. In May and June the Indians raided army outposts and stagecoach stations over a wide swath of Wyoming and Montana. In July, they assembled a large army, estimated by Cheyenne warrior George Bent to number 3,000 warriors, and descended upon Platte Bridge. The bridge, across the North Platte River near present day Casper, Wyoming, was guarded by 120 soldiers. In an engagement near the bridge and another against a wagon train, guarded by 28 soldiers, a few miles away. The Indians killed 29 soldiers, while suffering at least eight dead.

• http://en.wikipedia.org/wiki/Battle of Platte Bridge
• Pages 188-189 - Drury, B. and Clavin, T., 2013, The Heart of Everything That is: The Untold Story of Red Cloud, An American Legend: Simon & Schuster, New York, 432p.