"Garrisoning the Black Hills Road: The United States Army's Camps on Sage Creek and Mouth of Red Canyon, 1876-1877"
https://www.sdhspress.com/journal/south-dakota-history-37-1/garrisoning-the-black-hills-road-the-united-states-armys-camps-on-sage-creek-and-mouth-of-red-canyon-1876-1877
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"Garrisoning the Black Hills Road: The United States Army's Camps on Sage Creek and Mouth of Red Canyon, 1876-1877"