This page contains details of the update history for Topo50 map sheets.
Updates since 2003
Since June 2003, map sheets have been updated according to the Topo50 map extents. This spreadsheet (attached below) details when each Topo50 map sheet was last updated.
Updates before 2003
Before June 2003, map sheets were updated according to the NZMS260 map extents. This document (attached below) compares the NZMS260 map sheets and when they were updated with the map sheets for Topo50, by overlaying the extents for the two series.