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ALT & WITZIG ENGINEERING INC
Jonathan Marsh

JM

Jonathan Marsh

Geotechnical Field Geologist at ALT & WITZIG ENGINEERING INC

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Manager

Dave Harness

Geotechnical Manager

Peers

Nicholas Hayes

Geotechnical Engineer

Alaina S.

Staff Geologist

Ali Szymanski

Staff Geologist

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Timeline

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Geotechnical Field Geologist
January, 2020 - present
Staff Geologist
September, 2015

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