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  • AEG (Assoc. of Environmental & Engineering Geologists)
  • AIPG (American Institute of Professional Geologists)
  • ASBOG (National Assoc. of State Boards of Geology)
  • DOGAMI (Oregon Dept. of Geology & Mineral Industries)
  • GSA (Geological Society of America)
  • NGWA (National Groundwater Assoc.)
  • OSBEELS (Oregon State Board of Examiners for Engineering & Land Surveying)
  • State of Oregon Home Page

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