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A bar graph showing the percentage of residents

By Western Geographic Science Center
A bar graph showing the percentage of residents in the Oregon tsunami-hazard zone that are over 65 years in age.
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Detailed Description

A bar graph showing the percentage of residents in the Oregon tsunami-hazard zone that are over 65 years in age. This group may have greater difficulty evacuating to high ground after a Cascadia subduction zone earthquake.

Sources/Usage

Public Domain.