| NZ Dam Centrelines (Topo, 1:250k) | National Topographic Office | Land Information New Zealand | Creative Commons Attribution 4.0 International | Layer | Vector | 6281 | 299 | ||
| NZ Swamp Polygons (Topo, 1:500k) | National Topographic Office | Land Information New Zealand | Creative Commons Attribution 4.0 International | Layer | Vector | 5338 | 223 |