slgwv's photos with the keyword: West elk volcanism

Volcanic plug near Crawford, Colorado.

Another view. An eroded-out volcanic plug near Crawford, Colorado.

Near the little town of Crawford, Colorado. An eroded-out volcanic neck related to West Elk volcanism, ca. 28 million years ago. The inset shows another view, plus the BLM (Bureau of Land Management) informational sign. Nice that it's not going to be developed!