REMOVE

1. Construction workers
2. Solar houses

WHAT

1. College campuses (156)
2. color slide (156)
3. slides (photographs) (156)

WHO

1. Engle, D. (95)
2. Mason, Chuck (18)
3. Engle, Deidre (17)
4. Castelein, James H. (16)
5. Rochester Institute of T … (10)

WHEN

1. 6/1/1977 (63)
2. undated (40)
3. 1977 (38)
4. 10/1/1977 (7)
5. 5/1/1977 (7)