Archaeologists and historians will feature at the day-long event at the Pomegranate Theatre in Chesterfield, giving presentations on their latest investigations across Derbyshire and beyond.

English Heritage worker Jon Humble will give a lecture, called Old King Coal, on the archaeological heritage of the county's coal mining industry.

Longstone Local History Group will display a skeleton that is thousands of years old, in Fin Cop: Solving a Derbyshire Mystery, a lecture about the community-led excavation of Fin Cop hillfort in Monsal Dale.

Peak District National Park Authority archaeologist John Barnatt will trace previously-unknown features including burial mounds in his talk, Chatsworth and Beyond – the Archaeology of a Great Estate.

Industrial heritage will be explored in Biwater and the CXC – the Archaeology of a Pipe Foundry, by Oliver Jessup of Wessex Archaeology.

Ian Wall of the Creswell Heritage Trust will go all the way from the Ice Age to the 21st century in his talk on the trust's new museum building, displays and facilities.

Other speakers include Daryl Garton on the hidden past of the high peat moors, Richard O'Neill on the Cromford and High Peak Railway and Tim Allen on Heritage at Risk.

The day will be marked with the launch of the latest edition of Archaeology and Conservation in Derbyshire, an annual magazine featuring recent heritage initiatives in the county.

The national park authority, Chesterfield Borough Council and the county council have organised the event, to run from 9.15am to 5.15pm.

Tickets are £10, or £6 for the unwaged, from Chesterfield Museum or on 01246 345727.