(Northern Region, Missoula, Mont.; [RI-72-033].) [Prepared in cooperation with National Park Service, Midwest Region, Omaha, Neb., Interior Dept. Illustrations are colored.]
Notes:
(Northern Region, Missoula, Mont.; [RI-72-033].) [Prepared in cooperation with National Park Service, Midwest Region, Omaha, Neb., Interior Dept. Illustrations are colored.] * For Sale by Superintendent of Documents. Paper, 80c. • Sent to Depository Libraries. Item 84
Availability:
* For Sale by Superintendent of Documents. Paper, 80c. • Sent to Depository Libraries. Item 84