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![Dr. Jeffrey Kuhn, PE](https://tri-environmental.com/wp-content/uploads/JeffKuhn_500sq-495x400.png)
Q&A with Executive Director Jeff Kuhn
Q&A with Dr. Jeffrey Kuhn, PE, the Executive Director of…
Events
![slope](https://tri-environmental.com/wp-content/uploads/SlopeStabilityCourse_TRI_b_550w-495x315.jpg)
Interface Friction / Direct Shear and Slope Stability Issues - ONLINE Workshop
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TRI Environmental is proud to announce that Richard Thiel, PE…