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American Council of Engineering Companies of Oregon
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American Society of Civil Engineers
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American Society of Foundation Engineers
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Member of American Society of Civil Engineers
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National Society of Professional Engineers
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International Society of Soil Mechanics and Foundation Engineering
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American Academy of Environmental Engineers (Diplomat)
American Society of Testing and Materials, Subcommittee Member (Committee D-18, Soil & Rock)
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Cement and Concrete Reference Laboratory
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AASHTO Materials Reference Laboratory
Metropolitan Area Structural Engineering Reviewers