REMOVE

1. rubbish
2. yards (areas)
3. 1997

WHAT

1. farming (2)
2. farms (2)
3. figures (2)
4. graphite (2)
5. horses (animals) (2)
6. machinery (2)
7. plows (agricultural equip … (2)
8. Visual works (hierarchy n … (2)
9. workers (2)

Less

WHERE

1. Killam, Alberta, Canada (2)

WHO

1. Still, Clyfford (2)

WHEN

1. 1930 (2)