HELP is needed to research the worst mining accident in English history - the 1866 Oaks Disaster.
The Dearne Valley Landscape Partnership are working with Barnsley Archives and local studies to look for volunteers to help them research those sadly killed.
December 2016 marks the 150th anniversary of the disaster.
To commemorate the tragedy a series of projects are being developed including an exhibition at Experience Barnsley, physical improvements to the Barnsley Main site and events involving schools and the local community.
Estimates of the men and boys killed ranges from 340 to 380 but no definitive list has ever been published.
People who would like to help or learn more about the project are asked to contact Stephen Miller on 01226 773110 or email@example.com.