I would guess that locomotive belonged to the Lehigh Valley RR. Arched cab windows and a firebox that looks unusually wide. But the #plate is definitely Frisco, and that is without question the huge trainshed at St. Louis.

Forty years after this photo was taken, my mom and I came out here from Long Island, to see my dad, who was stationed at Scott Field, in the Army Air Corps. Even though only four years old, I remember the train backing into the station, and how happy I was to see dad, and how the tears of joy made me so messy. After all, we were traveling behind a steam locomotive and it was late summer, and mom and I were covered with dust and soot. No A/C on trains in those days. We stayed in Diddle's Hotel in Belleville, IL. While dad tended to his daytime responsibilities, on base. Geez, that was a long time ago.