Mud Volcano Trail, Yellowstone National Park.

Bibliographic Details
Format:	Book
Language:	English
Published:	[Yellowstone National Park, Wyoming] : Yellowstone Library and Museum Association in cooperation with the National Park Service, U.S. Department of the Interior, [1972?]
Subjects:	Nature trails > Yellowstone National Park > Guidebooks. Mud volcanoes > Yellowstone National Park > Guidebooks.

Description
Item Description:	Cover title.
Physical Description:	16 unnumbered pages : illustrations, 1 map ; 14 x 22 cm