Fossil Butte : Fossil Butte National Monument, Wyoming.
Fossil Butte National Monument, Wyoming
- 1 folded sheet : color illustrations, color map ; 50 x 42 cm, folded to 21 x 10 cm
Title from cover panel. *GPO: 2018--403-332/82042. Last updated 2018. "National Park Foundation." Shipping list no.: 2018-0145-P. CRDP Program record.