Road Grader and Scraper. Page: 2 of 4
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Road Grader and Scraper., patent, December 8, 1908; [Washington D.C.]. (https://texashistory.unt.edu/ark:/67531/metapth508406/m1/2/: accessed June 21, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu.; crediting UNT Libraries Government Documents Department.