| Two of Union Pacific's massive 6900 'Centennial' engines descend down the famous Cajon Pass toward San Bernadino, California. The 6900's are officially called the DDA40X, these units are unique. EMD only built 47 of these 6600 horsepower units and they could be found on Union Pacific's western lines. |
| Date:
2/25/1973 |
Location:
Cajon Pass, CA |
Views:
1610 |
Collection Of:
 
David Krebs |
| Locomotives: |
Author: James W. Watson
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| Picture Categories: Roster,Scenic,Action |
This picture is part of album: Picture Postcard Collection |