Arcs representing approximate areas above, adjacent to, or affected by old underground mine facilities that have a potential for subsidence in unincorporated Pierce County. Read the full metadata for more information.
Arcs representing approximate areas above, adjacent to, or affected by old underground mine facilities that have a potential for subsidence in unincorporated Pierce County.  Please read <a href='https://matterhorn.co.pierce.wa.us/GISmetadata/pdbplan_potential_mine_hazards.html' target='_blank'>metadata</a> for additional information.   <b><i>Any data download constitutes acceptance of the </i></b><a href='https://matterhorn.co.pierce.wa.us/Disclaimer/PierceCountyGISDataTermsofUse.pdf' target='_blank'>Terms of Use</a><b><i> </i></b>
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