GP35 SLSF 730 - BN 2580 - BN 2924 - BNSF 2924 GP35 SLSF 730 - BN 2580 - BN 2924 - BNSF 2924 Here is BNSF 2924 at South Seattle, WA 7/27/2009. Built as SLSF GP35 730 and later BN 2580 before rebuilding to BN 2924 and later becoming BNSF 2924. http://www.locophotos.com/PhotoDetails.php?PhotoID=104543 Brian Ambrose Renton, WA