REMOVE

1. watercolor
2. machinery

WHAT

1. Visual works (hierarchy n … (2)
2. farming (2)
3. farms (2)
4. figures (2)
5. graphite pencils (2)

More 

WHERE

1. Killam, Alberta, Canada (2)

WHO

1. Still, Clyfford (2)

WHEN

1. 1930 (2)