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Fiche 1,  Justifications,  Anglais

Record number: 1, Textual support number: 1 CONT

The mining dredges were land-locked floating machines, digging the ponds that allowed them to float - and thus move - across the area to be mined. The floating dredge most commonly operated in the North was the California-type, also known as bucket-line dredge. This type of dredge used a continuous line of buckets (called the "digging ladder") to scrape the bottom and edge of the pond.  3, fiche 1, Anglais, - digging%20ladder

Record number: 1, Textual support number: 2 CONT

Parks Canada is issuing a Call for Tenders for the supply, fabrication and installation of a new foundation for the digging ladder at Dredge no. 4 National Historic Site of Canada in Dawson City, Yukon.  4, fiche 1, Anglais, - digging%20ladder

Record number: 1, Textual support number: 3 CONT

The depth of digging is controlled by changing the angle of the digging ladder through a running rigging system extending from a winch on the port side.  5, fiche 1, Anglais, - digging%20ladder

Record number: 1, Textual support number: 1 PHR

Floating deep-digging ladder dredge.  4, fiche 1, Anglais, - digging%20ladder

Fiche 1,  Justifications,  Français

Record number: 1, Textual support number: 1 OBS

[Illustration :] Passerelle et échelle pour l'excavation de la drague n° 4.  2, fiche 1, Français, - %C3%A9chelle%20de%20drague

Fiche 1,  Justifications,  Espagnol