NEW ZEALAND HYDROGRAPHIC AUTHORITY NZ404212 - NZ4212 - NORTH ISLAND - WEST COAST - HOKIANGA HARBOUR INDEX: SATELLITE DERIVED POSITIONS MARINE FARMS OVERHEAD POWER TRANSMISSION LINES SATELLITE DERIVED POSITIONS Positions obtained from satellite navigation systems referred to WGS 84 Datum can be plotted directly onto this chart. Caution must be exercised in the transfer of geographical positions to other charts not in terms of WGS 84 Datum. MARINE FARMS Marine Farms presenting a hazard to navigation may be encountered in inshore waters. These farms are generally marked by buoys, beacons and lights. Mariners are warned that not all farms may be shown on this chart. OVERHEAD POWER TRANSMISSION LINES Not all overhead power transmission lines are shown on the chart. Overhead vertical clearance heights are charted where known. END OF FILE