REMOVE

1. railroads
2. hats
3. sky
4. roads
5. bushes
6. boys

WHAT

1. arcades (structural assem … (1)
2. black-and-white film (1)
3. buildings (structures) (1)
4. cabins (houses) (1)
5. driveways (1)
6. exterior views (1)
7. grand hotels (1)
8. hills (1)
9. landscapes (representatio … (1)
10. mountains (1)
11. plants (1)
12. trees (1)
13. Visual Works (hierarchy n … (1)
14. windows (1)

Less

WHERE

1. Lake Louise, Alberta, Can … (1)

WHO

1. Clyfford Still; Still, Cl … (1)
2. Still, Clyfford (1)

WHEN

1. 1929 (1)
2. 1940 (1)
3. circa 1930 July 16 (1)