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Technical Guidance

Contact the Geo-Environmental Section

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

Geo-Environmental Technical Guidance Directory

The following documents are for Geo-Environmental Section disciplines.

Technical guidance may be issued between official updates to related manuals. Bulletins are intended to provide immediate technical guidance on processes, procedures and design information.

 

 

Additional Information

Types of Guidance

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