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The Hammel-Henker Key City Roller Mill building in Dubuque, Iowa was located at 18th and Pine Streets. The Key City Roller Mills or Rooster Feeds was a company that produced feed products. The large building says, "Key City Roller Mills" and "Use…

The Key City Roller Mills or Rooster Feeds was a company that produced feed products. The large building on the left says, "Key City Roller Mills" and "Use Rooster Flour." It is a 3-4 story building with a large smoke stack on the left side. The…