Horse's Ghost was a Sioux Chief in Montana at the Fort Peck Indian Reservation who advocated for Native American rights with members of President Taft's administration.

[1] In 1911 he went to Washington with Major Charles B. Lohmiller to advocate for Native American rights with members of President Taft's administration.

[1][2][3] In 1913 he took part in the National Reliability Tour sponsored by the American Automobile Association.

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