Learn tips on how to find and evaluate gravel sources, making realistic specifications, how owners and suppliers working together provide quality results, and adding clay (nature's glue) to gravel surfacing. Participants from the class will leave with the working knowledge on how to improve gravel performance and life.

April 27, 9:00 - 4:00 pm CT; Barnes County Highway Dept., Valley City

April 28, 9:00 - 4:00 pm CT,  Community Center, Granville

April 29, 9:00 - 4:00 pm MT, Stark County Extension Center, Dickinson

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