The "unidentified theater" in Waterloo, Iowa (with a Barton organ of 2-man/8-ranks) may be this theater. It had several name changes over its history (Grand/Family/Garden/Iowa).
http://cinematreasures.org/theaters/18426We received the most recent update for this note from Jayson Rodovsky Engquist on October 23, 2020.
Information from Encyclopedia of the American Theatre Organ, Vol. I by David L. Junchen. Pasadena: Showcase Publications, 1985.
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