The rebuilt 2-8-2s of the Minneapolis & St. Louis had a 55-square-foot grate area; they featured 2995 square feet of evaporative heating surface and 706 square feet of superheating surface. For other dimensions consult the previous page for No. 629. No. 631 is shown above at Peoria on March 3, 1947 as captured on film by Arthur B. Johnson. The image was purchased from an eBay seller. All M&StlL "Mikes" were stricken from the roster by the end of 1951, although eight sold to the Algoma Central & Hudson Bay during World War II lasted till 1953.