The quarry industry wants the public's help to improve safety after four deaths in the sector so far this year.
Mining safety authorities want public help in locating unregistered quarries after four deaths at sites this year.
The quarry and mining sector is discovering dozens of contractors it never knew about.
Read more about 'Quarry and Mine meetings flush out invisible operators'...
People across New Zealand are being asked to help locate unregistered quarries which may pose some of the highest health and safety risks to industry workers.
Read more about 'Help us find the quarries and improve safety '...