Obsidian Cliff, Yellowstone National Park
Iddings JP. 1888. Obsidian Cliff, Yellowstone National Park. Pages 249-295. In Author unknown. U S Geological Survey Annual Report, 7th, 1885-86. GPO. Washington, DC. 7th Annual Report of the Director of the U S Geological Survey
- Type
- Book Chapter
- Authors
- Iddings, Joseph
- Units
- HIST , YELL
- Keywords
- ehistory, Geology, glass (geology), History, Igneous Rocks, Lava, Minerals, Obsidian, Obsidian Cliff, Rocks, Volcanic Rocks