| Chart NZ 681 Approaches to Bluff and Riverton / Aparima - Riverton / Aparima | New Zealand Hydrographic Authority | Land Information New Zealand | Creative Commons Attribution 4.0 International | Layer | Raster | 31205 | 382 | ||
| 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 | 22668 | 124 |