• An aerial view of Old Faithful erupting taken from Observation Point with the Old Faithful Inn to the side.

    Yellowstone

    National Park ID,MT,WY

Reports by Park Geologists

These reports are generated by park geologists. We began presenting them on the Website in March of 2004. Reports will be added as they are created.


The links that are labeled 'pdf' can only be viewed or printed using Adobe Acrobat Reader (available free, online).

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.