- Associate Professor - Extension Forestry Specialist - Natural Resource Ecology and Management
Researcher Directory - Edge-of-Field
Researcher Directory - Edge-of-Field
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- Professor - Natural Resource Ecology and Management
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- Affiliate Associate Professor - Agronomy
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- Professor - Agricultural and Biosystems Engineering
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- Adjunct Assistant Professor - Natural Resource Ecology and Management
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- State Geologist of Iowa
- Iowa Geological Survey Director
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- Professor - Natural Resource Ecology and Management
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- Assistant Research Scientist - IIHR Hydroscience & Engineering
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