REMOVE

1. studies
2. rock

WHAT

1. Visual works (hierarchy n … (2)
2. birds (animals) (2)
3. chickens (animals) (2)
4. farming (2)
5. farms (2)

More 

WHERE

1. Killam, Alberta, Canada (2)

WHO

1. Still, Clyfford (2)

WHEN

1. 1928 (2)