Browsing by Subject "Porter County"
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Item Indiana State Board of Health Monthly Bulletin, 1910 Vol. 13 No. 3(1910) McCoy, George T.Item Mr. C. F. Specht, a merchant of Valparaiso, Indiana, has invented an anti-dust device.(Indiana State Board of Health, 1911-02)Anti-dust device invented by C. F. Specht of Valparaiso.Item Porter County Horizontal Accuracy Report(2006-03-02T18:16:23Z)Report and table verifying the accuracy of the 2005 digital aerial photography (orthophotography) for Porter County, Indiana