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Roots Run Deep

Gina Dabney - March 3, 2022

On display at the Oklahoma History Museum is the restored first-production model of the compact service trenching machine. It was designed and developed in the 1940s by Ed Malzahn in a family blacksmith shop in Perry, Oklahoma. The trenching machine, which revolutionized the industry worldwide, assists in the construction process of installing underground essential utilities in the gas, water and...