Thirtynine Mile volcanic field

From Wikipedia, the free encyclopedia

The Thirtynine Mile volcanic field, located in Park and Teller counties, Colorado, was the site of significant volcanism in the Tertiary Period (See: geologic timescale). The field is named for Thirtynine Mile Mountain, a local peak.

See also: Florissant Fossil Beds National Monument, South Park (Colorado), Cripple Creek, Colorado

[edit] External links