REMOVE

1. railroads
2. rubbish
3. soil
4. freight cars
5. fields (land)
6. children

WHAT

1. black-and-white film (1)
2. hills (1)
3. lakes (bodies of water) (1)
4. landscapes (representatio … (1)
5. mountains (1)
6. reflections (perceived pr … (1)
7. rock (1)
8. sky (1)
9. snow (precipitation) (1)
10. trees (1)
11. valleys (landforms) (1)
12. Visual Works (hierarchy n … (1)

Less

WHERE

1. Lake Louise, Alberta, Can … (1)

WHO

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

WHEN

1. 1930 (1)
2. circa 1930 July 16 (1)