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Description:
The Multnomah Street Railway Co. built this trolley carbarn at 18th & Alder in 1891. In March of 1904 heavy rains caused the Tanner Creek sewer, of shoddy construction with little or no mortar holding the bricks together, to collapse. Debris began to clog the sewer and cause underground flooding. Finally, at 5:00 p.m. on March 18th the entire Alder Street carbarn collapsed into the ground (a giant sink hole), taking ten "open" trolleys (note the lack of siding) 20 feet below the street with it. All but 2 or so cars were successfully salvaged.

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RE Map, popular places, PDX's Historical Trolley Lines, Potholes, Demolished Buildings of PDX.

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streetcars , streetcar , pdx , portland , tanner creek , trolleys , trolley , portlands historic trolley lines , historic portland , portlands demolished buildings , alder , trolley carbarn , flooding , sewer