Northland Harbour Board v Auckland Water Transport Limited - [1971] NZLR 39

Shipping and navigation — Harbours docks and wharves — Damage to wharf — Sand unloaded on to wharf specially built for purpose — Wharf subsequently collapsing through defective construction — Extent of shipowner's liability — Relevance of inquiry into cause — Meaning of "material" — Harbours Act 1950, s. 209.