REMOVE

1. railroads
2. rock
3. buildings (structures)
4. trees
5. boys
6. wheels (components)

WHAT

1. barns (1)
2. color film (film) (2)
3. cranes (equipment) (1)
4. exterior views (2)
5. factories (structures) (1)
6. farms (1)
7. fields (land) (2)
8. forests (plant communitie … (1)
9. hills (1)
10. horizon line (1)
11. landscapes (representatio … (2)
12. machinery (1)
13. plants (2)
14. quarries (extracting comp … (1)
15. roads (2)
16. sheds (storage structures … (1)
17. sky (1)
18. soil (1)
19. sunlight (1)
20. trucks (1)
21. utility poles (2)
22. Visual Works (hierarchy n … (2)

WHERE

1. Westminster, Maryland (2)
2. Carroll County, Maryland (1)

WHO

1. Still, Patricia (1)

WHEN

1. 1975 (2)
2. 1975 October (1)