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    • Portland : Boring Lava Domes 

      Portland (Or.). Bureau of Planning; Portland (Or.); Adolfson Associates; Brooks, Tim (City of Portland (Or.), 1997-11-05)
      This report updates the resource inventory, analysis and protection program for City of Portland Resource Site 30, Boring Lava Domes, (Lava Domes). This site was initially reviewed in 1991 as part of the Johnson Creek ...