In 1910, at the height of the Army's presence in Yellowstone, there were 324 soldiers here, plus some families and numerous civilian employees. These troops staffed Fort Yellowstone and the park's outposts.

From the outposts, the cavalry patrolled the park by horse in the summer and on skis during the winter, stopping at patrol cabins along the way.

This building, the field officer's quarters, was completed in 1909. It was the residence of the acting superintendent or post commander.

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