Frontier and Colonial Forts of the United States

Battle of Fort Pitt

This document holds a comprehensive list of United States colonial and frontier forts, trading posts, and other military sites established up to 1902. Early settlers constructed many forts, now disappeared, referenced in historical texts but without certain locations. The list includes facilities currently used by or overseen by the military, displayed in bold. The compilation aids in identification and reference, presenting full names of forts and categorizing them alphabetically as well as by state. It ends with a mention of outlier forts, comprising Hawaii (2) and Mexico (1).

Dakota Territory Frontier Forts Prior to 1902

Hale, Fort, Dakota – On Missouri River, at the Lower Brule Agency. Lower Brule Agency, Fort at Dakota – Fort Hale. Powder River Fort on Dakota – Fort Phil Kearny. Sully Fort, Dakota – On Missouri River, 5 miles above mouth of Cheyenne R and the new Fort Sully, 20 miles below mouth of Cheyenne River.