• 3 Wisconsin Historical Society Library
• 1 WHS State Archives Preservation Facility

• 3 Journals, Magazines, Newspapers

• 3 Engineering students
• 3 Study and teaching

• 2 Wisconsin Institute of Technology
• 1 University of Wisconsin--Platteville. College of Engineering
• 1 Wisconsin Mining School
• 1 Wisconsin State College and Institute of Technology. Engineering Division
• 1 Wiscosnsin State University, Platteville. School of Engineering

• 3 Wisconsin
• 1 Plattevillle

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