REMOVE

1. trains (vehicle groupings)
2. colleges (buildings)
3. plants
4. campuses

WHAT

1. audiences (1)
2. automobiles (1)
3. black-and-white film (2)
4. brick (clay product) (1)
5. buildings (structures) (2)
6. chairs (furniture forms) (1)
7. cityscapes (representatio … (1)
8. coastlines (1)
9. commencements (1)
10. exterior views (2)
11. factories (structures) (1)
12. fences (1)
13. flags (1)
14. freight cars (1)
15. men (male humans) (1)
16. neighborhoods (1)
17. oceans (1)
18. platforms (general) (1)
19. podiums (platforms) (1)
20. railroad stations (1)
21. railroads (1)
22. robes (main garments) (1)
23. rooftops (1)
24. seascapes (1)
25. service stations (1)
26. shadows (1)
27. ships (1)
28. shipyards (1)
29. signs (declatory or adver … (1)
30. sitting (1)
31. stages (performances spac … (1)
32. streets (1)
33. students (1)
34. studios (work spaces) (1)
35. sunlight (1)
36. towers (building division … (1)
37. train sheds (1)
38. trees (1)
39. utility poles (1)
40. Visual Works (hierarchy n … (2)
41. windows (2)
42. women (1)

WHERE

1. San Francisco, California (1)

WHEN

1. 1967 (1)
2. 1970 (1)
3. ca. 1970 (1)