Fossil forests of the Yellowstone National Park
By: [by F.H. Knowlton]
Contributors: United States. Department of the Interior. Office of the Secretary
Publisher: Dept. of the Interior, Office of the Secretary
Published: 1914
Place of publication: [Washington]
Language: eng
Number of pages: 31
Subjects: Petrified forests; Fossil Trees
Notes: Cover title.

cat 20020109 dss ysnp