John L. Mathis
Railroad Photography

BNSF SD60M 8170 is one of many locomotives at the BNSF Galesburg locomotive facility on July 29, 2008. BNSF 1418 (on the left) is a GP10 which started out as GN GP7 618.
Canon 1DSMKII - 1/5000 sec - f/8 - ISO 250 - EF100-400mm f/4.5-5.6L lens @250mm