REMOVE

1. sky
2. tools
3. soil
4. hills
5. freight cars
6. 1967

WHAT

1. Visual Works (hierarchy n … (1)
2. artists (visual artists) (1)
3. beards (1)
4. branches (plant component … (1)
5. coats (garments) (1)

More 

WHERE

1. Westminster, Maryland (1)

WHEN

1. 1975 (1)
2. 1979 (1)
3. between 1975 - 1979 (1)