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Mehgan Blair

Senior Geologist

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Mehgan Blair assists clients with the design of baseline geologic, hydrogeologic, geotechnical, and geochemical characterization studies for mine and wastewater permitting. Her project work includes characterizing the mineralogical, geochemical, and geotechnical properties of proposed mine-site overburden, waste rock, and tailings. She has designed sampling and analysis plans for various waste streams and media; developed soil and water management plans for mine planning and redevelopment projects; and developed hydrologic, solute mass balance, and chemical equilibrium models to analyze potential impacts to surface and groundwater quality. Mehgan also investigates and characterizes soil and groundwater at contaminated industrial legacy sites and completes Phase I environmental site assessments for property transactions. She provides project management for ongoing investigation and remediation of contaminated sites.


(218) 529-8237


Professional Geologist (MN)

service area lead

mining and minerals processing engineering


MS, Geology, Oregon State University

BA, Geology, Augustana College - Rock Island


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

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