Day 7 (7/12/03) - Paint Mines, Calhan, Colorado

Prev | Index For This Date | Next
Bob Raynolds points out an ash layer in the lignite beds. This ash layer has been dated at 63.8 mya.
Prev | Index For This Date | Next

Bob Raynolds points out an ash layer in the lignite beds. This ash layer has been dated at 63.8 mya.