On July 29, 1895, six thousand people stood and listened as local dignitaries extolled the virtues of a canal that would connect Puget Sound and Lake Washington. Ex-Governor Eugene Semple, who was the principal project organizer and promoter, concluded his talk by telling the audience to come back in five years to witness the dedication of the canal locks. His 22-year-old daughter, Zoe, then climbed the steps of the massive dredge Anaconda, pushed a lever that started a hollow rotary cutter ripping into the tidelands, and began the linkage of salt and fresh water in Seattle.
Enthusiasm ran high for the canal. Over 4,000 people had packed into the Seattle armory only three months earlier to discuss the project. The crowd gave not only an endorsement but a pledge to raise $500,000. The goal was met by May 10 with nearly 2,500 people contributing between $1 and $20,000. The Seattle P-I called the canal “the greatest undertaking yet inaugurated in the city.”
No one, however, showed up five years later to celebrate. Powerful political foes had effectively turned public sentiment against Semple’s canal. Seattle’s citizens would have to wait until 1917 to celebrate the opening of a canal—and it wasn’t the ex-governor’s touted route, which would have cut from the mouth of the Duwamish River through Beacon Hill to Lake Washington.
As you can see from the map (this is the only map, albeit not a terribly detailed one, that shows the canal) and cross section, Semple’s plan was audacious, and one might also say insane. To cut through Beacon Hill, the canal would have to be nearly 300 feet deep and at the base of a one-quarter-wide gorge. Although no canal was ever built, Semple’s company did wash away a big chunk of Beacon, which many Seattleites experience every day. It is the gap that takes South Columbian Way up the hill from I-5 and the Spokane Street bridge.
Material for for this story comes out of research I have done for my new book on Seattle – Too High and Too Steep: Reshaping Seattle’s Topography.
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