SD45 SLSF 900 - BN 6650 SD45 SLSF 900 - BN 6650 1) SLSF 900 Thayer, MO. 6/13/78 2) SD45 SLSF 900 - BN 6650 Stored at Springfield, MO. 5/4/1985 3) SD45 SLSF 900 - BN 6650 Stored at Springfield, MO. 5/4/1985 4) SD45 SLSF 900 - BN 6650 Stored at Springfield, MO 5/4/1985