REMOVE

1. farms
2. plants
3. sky
4. 1930

WHAT

1. black-and-white film (1)
2. branches (plant component … (1)
3. bushes (1)
4. fields (land) (1)
5. forests (plant communitie … (1)
6. landscapes (representatio … (1)
7. trees (1)
8. Visual Works (hierarchy n … (1)

WHERE

1. Killam, Alberta, Canada (1)

WHO

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

WHEN

1. 1920 (1)
2. between 1920 - 1930 (1)