![Jonathan Karlen on Twitter: "Great to be back in the classroom teaching Missoula County elementary and middle school students about watershed science, Montana's mining history, and the Clark Fork Superfund. Place-based education Jonathan Karlen on Twitter: "Great to be back in the classroom teaching Missoula County elementary and middle school students about watershed science, Montana's mining history, and the Clark Fork Superfund. Place-based education](https://pbs.twimg.com/media/FNlipK3VgAAn3RI.jpg:large)
Jonathan Karlen on Twitter: "Great to be back in the classroom teaching Missoula County elementary and middle school students about watershed science, Montana's mining history, and the Clark Fork Superfund. Place-based education
Margie Clark - Executive Recruiting and Workforce Planning Manager - Blue Cross and Blue Shield of Minnesota | LinkedIn
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