About People

Adrian Holmes

Adrian Holmes, CEG, LEG


Adrian has extensive experience with the geology of the Pacific Northwest and the ways in which local geologic conditions can impact various types of projects. He has managed and conducted numerous field exploration programs in the Northwest, including those for buildings, bridges, docks, railways, tunnels, and stormwater management facilities. He is practiced at rock face mapping for rock cuts along railroads, major highways, and roadways and for rock excavation in tunnels. He’s developed and directed the installation and monitoring programs for dozens of geotechnical instruments and has observed and documented a wide variety of construction activities.


  • MS, Geology, Idaho State University, 2005
  • BS, Marine Science, Eckerd College, 2003


  • Certified Engineering Geologist, Oregon
  • Licensed Engineering Geologist, Washington
  • Professional Geologist, Idaho
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