Originally published in 1918, this volume explores the history of Fort Snelling as a frontier military post, a role it fulfilled form 1819 to 1858. The author addresses early exploration of the region, Pike's discovery of the site, construction of the fort, and its forty-year role in frontier events. He describes daily life at the fort and identifies significant individuals in its history. Additional issues covered include interaction with American Indians, the fur trade, missionaries, and the impact of the fort on settlement in the valley.