REMOVE

1. trains (vehicle groupings)
2. railroad yards
3. 1930

WHAT

1. figures (representations) (1)
2. oil paint (paint) (1)
3. railroad stations (1)
4. railroads (infrastructure … (1)
5. snow (precipitation) (1)
6. telephone poles (1)
7. Visual works (hierarchy n … (1)

WHERE

1. Killam, Alberta, Canada (1)

WHO

1. Still, Clyfford (1)

WHEN

1. 1930-1931 (1)
2. 1931 (1)
3. Regionalist (American Sce … (1)