Mud Volcano Trail
Subtitle: Yellowstone National Park
Contributors: United States. National Park Service
Publisher: Yellowstone Library and Museum Association, in cooperation with the National Park Service, U.S. Dept. of the Interior
Published: 1978
Place of publication: Yellowstone National Park]
Language: eng
Number of pages: 12
Subjects: Mud volcanoes; Trails
Notes: Cover title.

"4-78."--P. [4] of cover.

cat 20080626 dss ysnp