A map from 1922 of Montana showing the capital of Helena, major cities and towns, Indian reservations, railroads, rivers, and mountains. The boundaries of Yellowstone National Park, primarily in Wyoming, are shown.

A map from 1922 of Montana showing the capital of Helena, major cities and towns, Indian reservations, railroads, rivers, lakes, and mountains. The boundaries of Yellowstone National Park, primarily in Wyoming, are shown.

A map from 1909 of Montana showing the capital of Helena, major cities and towns, Indian reservations, railroads, rivers, lakes, and mountains. The boundaries of Yellowstone National Park, primarily in Wyoming, are shown.

A map from 1892 of Montana showing the capital of Helena, counties and county seats, major cities and towns, Indian reservations, railroads, rivers, and mountains. An inset map details Yellowstone National Park, primarily in Wyoming.

A map from 1919 of Montana showing the capital of Helena, counties and county seats, major cities and towns, Indian reservations, railroads, rivers, and mountains. An inset map details Yellowstone National Park, primarily in Wyoming.

A map from 1920 of Montana showing the capital of Helena, counties and county seats, major cities and towns, Indian reservations, railroads, rivers, and mountains. The boundaries of Yellowstone National Park, primarily in Wyoming, are...

This essay is an extensive looks at the dispute between the Hopi and Navajo Nations over land in Arizona.

A description of the Battle of Big Hole in which the Nez Perce and whites alike suffered many casualties. From the National Park Service.

This article focuses on the massacre of Chief Big Foot and his followers at the Massacre of Wounded Knee.