REMOVE

1. freight cars
2. boys
3. roads
4. rock
5. black-and-white film

WHAT

1. Visual works (hierarchy n … (2)
2. abstraction (2)
3. black (2)
4. brown (2)
5. ocher (2)

More 

WHERE

1. Westminster, Maryland (2)

WHO

1. Still, Clyfford (2)

WHEN

1. 1973 (2)
2. 1973-08-20 (2)
3. Abstract Expressionist (2)