EPSG_27218: "+proj=tmerc +lat_0=-42.3336942777778 +lon_0=171.549771305556 +k=1 +x_0=300000 +y_0=700000 +ellps=intl +nadgrids=nzgd2kgrid0005.gsb +units=m +no_defs +type=crs" = '+proj=tmerc +lat_0=-42.3336942777778 +lon_0=171.549771305556 +k=1 +x_0=300000 +y_0=700000 +ellps=intl +nadgrids=nzgd2kgrid0005.gsb +units=m +no_defs +type=crs'
NZGD49 / Grey Circuit
metre1-41.5,171.15,-42.74,172.75