REMOVE

1. oil paint (paint)
2. railroads (infrastructure)
3. 1930-1931

WHAT

1. Visual works (hierarchy n … (1)
2. figures (representations) (1)
3. railroad stations (1)
4. railroad yards (1)

WHERE

1. Killam, Alberta, Canada (1)

WHO

1. Still, Clyfford (1)

WHEN

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