REMOVE

1. atmospheric perspective
2. sky
3. automobiles
4. 1970
5. 1960

WHAT

1. banks (landforms) (1)
2. black-and-white film (1)
3. fields (land) (1)
4. forests (plant communitie … (1)
5. hills (1)
6. horizon line (1)
7. landscapes (representatio … (1)
8. plants (1)
9. roads (1)
10. trees (1)
11. utility poles (1)
12. Visual Works (hierarchy n … (1)

WHERE

1. Maryland (1)

WHEN

1. between 1960 - 1970 (1)