| NZ Spillway Edges (Topo, 1:50k) | National Topographic Office | Land Information New Zealand | Creative Commons Attribution 4.0 International | Layer | Vector | 29207 | 737 | ||
| NZ Orthophotos 1996-1997 | National Topographic Office | Land Information New Zealand | Creative Commons Attribution 4.0 International | Layer | Raster | 24711 | 235 |