This bill designates the High Plains Research Station and Arboretum in Laramie County as a state historic site, managed by the Department of State Parks and Cultural Resources. It mandates the development of a strategic master plan for the preservation and operation of the site, allowing the department to enter into agreements with various entities for its administration and maintenance. The bill also authorizes the department to impose fees beyond standard permit fees to cover expenses related to the site's preservation and operations, with collected fees deposited into the state parks account.

Additionally, the bill appropriates $3,338,756 from the general fund to support the High Plains Research Station and Arboretum state historic site, with specific conditions on the use of these funds. The department is required to initiate the strategic master plan within one year of the bill's effective date and report its progress to the joint travel, recreation, wildlife, and cultural resources interim committee by October 1, 2026. The act takes effect immediately upon completion of the necessary legislative processes.