To authorize the Secretary of the Interior to charge entrance or admission fees at the National Historic Oregon Trail Interpretive Center at Flagstaff Hill in Baker City, Oregon.

Authorizes the Secretary of the Interior to establish and charge entrance or admission fees at the National Historic Oregon Trail Interpretive Center in Baker City, Oregon. Allows free admission to individuals displaying certain passports issued under the Land and Water Conservation Fund Act of 1965. Allows admission fee proceeds to be used for operation and maintenance of the Center.