REMOVE

1. sky
2. soil
3. sunlight
4. clouds
5. after 1961

WHAT

1. black-and-white film (1)
2. farms (1)
3. fields (land) (1)
4. forests (plant communitie … (1)
5. landscapes (representatio … (1)
6. plants (1)
7. snow (precipitation) (1)
8. trees (1)
9. Visual Works (hierarchy n … (1)
10. winter (1)
11. yards (areas) (1)

WHERE

1. Westminster, Maryland (1)

WHO

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

WHEN

1. 1963 (1)
2. 1963 - 1964 (1)
3. 1964 (1)