On August 13, 1906, President Theodore Roosevelt established the Kootenai Forest Reserve, a significant step in the conservation of Montana's vast natural resources. Located in northwestern Montana, primarily within what is now Lincoln County, the reserve encompassed a large area of dense forests, mountains, and rivers.

The creation of the Kootenai Forest Reserve was part of a nationwide effort to protect and manage federal lands for timber production, watershed protection, and wildlife habitat. This designation helped to ensure the sustainable use of the region's valuable timber resources and safeguard its pristine wilderness character.

The Kootenai National Forest, as it is known today, continues to be a vital ecological and economic asset for Montana, providing opportunities for recreation, logging, and environmental research. Its establishment reflected a growing awareness of the need to balance resource extraction with long-term environmental stewardship.