Great stuff, VivaLFuego. Love it!
These are from SSC compliments of hoogbouw010.
Scanned from hoogbouw010's own collection of old negatives:
1. May 15 1956.
2. From rooftop 188 Randolph Tower, Sept 23 1955.
3. Chicago Temple Building, Sept 26 1953.
4. Rush St. Bridge, 1900 (from copy negative).
5. From rooftop Mandel-Lear Building, Jan 14 1962.
6. Michigan Av. Bridge, Oct 9 1961.
7. June 1934.
