23rd Adult Soapbox Derby: Gravity propels dozens of soapboxes down Mount Tabor – Here is Oregon - hereisoregon.com
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What is the Portland Adult Soapbox Derby all about? | Stumped in Stumptown - Your guide to Portland, Oregon
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PORTLAND ADULT SOAPBOX DERBY - 39 Photos & 11 Reviews - Mt Tabor Park, Portland, Oregon - Arts & Entertainment - Phone Number - Yelp
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