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trenchlessonlinecom ections of bricklined sewers under downtown Des Moines Iowa were installed in the late 1800s So when city engineers decided to upgrade the sewers in 2004 and 2005 the 19th century pipelines leaped into the 21st century with new th ID: 35958 Download Pdf
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Presentation on theme: "TRENCHLESS TECHNOLOGY INTERNATIONAL MayJune www"— Presentation transcript