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Irvin Mossberger

Senior Geologist

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Irvin Mossberger has two decades of experience providing high-quality field services, data analysis, report preparation, and project management for hydrogeologic and environmental compliance projects. He has planned and implemented numerous Phase II subsurface investigations including drilling and excavation oversight; air, soil, surface-water, groundwater, and rock-core sample collection; field-map development; surveying; and global positioning system (GPS) data collection. Irvin served as project geologist and field team leader for a large Superfund sediment investigation; provided slope-stability modeling for a total-maximum-daily-load stream project; and managed installation and implementation of a soil-vapor extraction system at a fuel station.


(218) 529-8215


Professional Geologist (MN, WI)


MS, Geological Science, University of Minnesota - Duluth

BS, Geology, University of Wisconsin - Eau Claire


Barr Engineering Co.
325 South Lake Avenue
Duluth, MN 55802

Phone: 218-529-8200
Fax: 218-529-8202
Toll free: 800-786-5830