| Chart NZ 681 Riverton / Aparima | New Zealand Hydrographic Authority | Land Information New Zealand | Creative Commons Attribution 4.0 International | Layer | Raster | 7526 | 198 | ||
| Local magnetic anomaly polygon (Hydro, 1:90k - 1:350k) | New Zealand Hydrographic Authority | Land Information New Zealand | Creative Commons Attribution 4.0 International | Layer | Vector | 4806 | 68 |