Encyclopedia Dubuque
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Affiliated with the Local History Network of the State Historical Society of Iowa, and the Iowa Museum Association.
J. D. LANGWORTHY
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J. D. LANGWORTHY. In 1867 operating a brick manufacturing company on Air Hill, Langworthy produced 300,000 bricks valued at $2,400. (1)
The 1873-74 Dubuque City Directory listed the southwest corner of 6th and Main.
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1. "The Manufacturing Interest," Dubuque Daily Herald, December 15, 1867, p. 4. Online: http://news.google.com/newspapers?id=jMZCAAAAIBAJ&sjid=casMAAAAIBAJ&pg=3423,6144162&dq=shot+manufacturing+dubuque&hl=en
