| NZ Mud Polygons (Topo, 1:500k) | National Topographic Office | Land Information New Zealand | Creative Commons Attribution 4.0 International | Layer | Vector | 5702 | 141 | ||
| NZ Shoal Polygons (Topo, 1:50k) | National Topographic Office | Land Information New Zealand | Creative Commons Attribution 4.0 International | Layer | Vector | 8468 | 690 |