Encyclopedia Dubuque
"Encyclopedia Dubuque is the online authority for all things Dubuque, written by the people who know the city best.”
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Affiliated with the Local History Network of the State Historical Society of Iowa, and the Iowa Museum Association.
HARVEY CHALMERS AND SONS
HARVEY CHALMERS AND SONS. Chalmers and his sons from Dubuque leased a pearl-button cutting plant in Prairie du Chien, Wisconsin in 1905 and increased its capacity to the point that it had one hundred employees. In 1912 they announced their intention to move the business to a better location near the MISSISSIPPI RIVER and railroad. To keep the business in town, the people of the city constructed a new building near the river and the Milwaukee Railroad tracks. The company leased the building and operated the factory until 1933.
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Source:
Temte, Eric F., A Brief History of the Clamming and Pearling Industry in Prairie Du Chien, Wisconsin, July 1986 minds.wisconsin.edu/bitstream/handle/.../temteeric1968.pdf