REMOVE

1. soil
2. sky
3. rubbish
4. roads
5. boys
6. banks (landforms)

WHAT

1. Visual Works (hierarchy n … (2)
2. atmospheric perspective (2)
3. clouds (2)
4. exterior views (2)
5. hills (2)

More 

WHERE

1. New Windsor, Maryland (2)

WHO

1. Campbell, Sandra L. Still (1)
2. Sandra L. Still Campbell; … (1)

WHEN

1. 1966 (1)
2. 1971 (1)
3. after 1966 (1)
4. ca. 1971 (1)

Less