REMOVE

1. sitting
2. plants
3. black-and-white film
4. roads
5. woods (plant communities)
6. automobiles

WHAT

1. Visual Works (hierarchy n … (1)
2. barns (1)
3. buildings (structures) (1)
4. clouds (1)

More 

WHERE

1. Westminster, Maryland (1)

WHEN

1. 1961 (1)
2. after 1961 (1)