https://digitalarchive.tpl.ca/internal/media/dispatcher/1905702/fullFrom the Lock's bottom level ships will move through a tunnel in the solid rock underneath the dam4/6/1946[com.gallerysystems.emuseum.core.entities.RecordXPerson@904f5e, com.gallerysystems.emuseum.core.entities.RecordXPerson@8a2ebf]com.gallerysystems.emuseum.core.entities.RecordXPerson@904f5ecom.gallerysystems.emuseum.core.entities.Classification@bdTSPA-1https://digitalarchive.tpl.ca/objects/237366/rdf