SW1500 351 at Springfield, Missouri in March 1980 (Ken McElreath) By Frisco.org | Published February 8, 2018 | Full size is 6512 × 4400 pixels SW1500 351 at Springfield, Missouri in March 1980 (Ken McElreath) SW1500 351 SW1500 351 at Springfield, Missouri in March 1980 (Ken McElreath) Bookmark the permalink.