• A bull elk bugles in Yellowstone National Park

    Yellowstone

    National Park ID,MT,WY

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  • Craig Pass Closed for the Season

    The road linking West Thumb and Old Faithful is closed for the season—traffic should detour through West Thumb, Lake, and Canyon. More »

Inside Yellowstone - Sheepeater Cliff

 
More Information

Sheepeater Cliff Photos - Earths Extremophiles Website
http://www.lpi.usra.edu/education/fieldtrips/2007/photos/sheepeater_cliff/index.htm

Basalt - Wikipedia
http://en.wikipedia.org/wiki/Basalt

Basalt - About.com
http://geology.about.com/od/rocks/ig/igrockindex/rocpicbasalt.htm

Columnar Basalt Photos - Centripetal Notion
http://centripetalnotion.com/2007/07/21/20:50:54/


Did You Know?

Fire in Yellowstone Pineland in 1988

The 1988 fires affected 793,880 acres or 36 percent of the park. Five fires burned into the park that year from adjacent public lands. The largest, the North Fork Fire, started from a discarded cigarette. It burned more than 410,000 acres.