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Geotechnical Design Manual

Contact the Geology & Geotechnical Section

4040 Fairview Industrial Drive SE, MS 6
Salem, Oregon 97302
Phone: 503-986-3252
Fax: 503-986-3249

Program Leads

Phone: 503-428-1344

Phone: 503-986-3490

Related Content

Geology and Geotechnical Engineering

Current GDM Manual