Railroad Archives Online
- CollectionD0036 - George Werkema Collection
- Series001 - Burlington Northern Railroad Company
- Subseries Level 1014 - Photographs
- Subseries Level 2001 - Railroads--Equipment and Supplies
- Subseries Level 3002 - Diesel Locomotives
- 16 more...
- ItemWerkema021 - Burlington Northern 825 at the roundhouse in Denver, Colorado, in 1973.
- ItemWerkema022 - Burlington Northern 836 at the roundhouse in Pasco, Washington, in 1970.
- Itemimg100 - Burlington Northern Diesel Locomotive 2016 at Denver, Colorado, 1970
- Itemimg101 - Burlington Northern Diesel Locomotive 2016 at Denver, Colorado, 1970
- Itemimg102 - Burlington Northern Diesel Locomotive 2016 at Denver, Colorado, 1970
- Itemimg103 - Burlington Northern Diesel Locomotive 2016 at Denver, Colorado, 1970
- Itemimg104 - Burlington Northern Diesel Locomotive 2016 at Denver, Colorado, 1970
- Itemimg105 - Burlington Northern Diesel Locomotive 2024 at Denver, Colorado, 1970
- Itemimg110 - Burlington Northern Diesel Locomotive 2539 at Denver, Colorado, 1971
- 19 more...