William Wrigley Jr. Company chewing gum factory.

Thirty-fifth street through the Central Manufacturing District -- at least by its proprietors -- has sometimes been called the "Magnificent (industrial) Mile." Wrigley's company headquarters is located on the "Magnificent Mile" (Michigan avenue) near the Loop. The gum factory is located on Thirty-fifth street and Ashland avenue.

Source: Central Manufacturing District (1915), p. 51.