| NZ Mud Polygons (Topo, 1:500k) | National Topographic Office | Land Information New Zealand | Creative Commons Attribution 4.0 International | Layer | Vector | 17641 | 180 | ||
| NZ Shoal Polygons (Topo, 1:50k) | National Topographic Office | Land Information New Zealand | Creative Commons Attribution 4.0 International | Layer | Vector | 31508 | 1000 |