KING John's House in Romsey will be hosting a talk on the archaeology of the Ordnance Survey maps.

Later this summer, professor Roger Leech will lead the talk about the history of portraying archaeological sits on the maps of Ordnance Survey.

The talk is being held on July 4 between 10.30am and 2.30pm. Professor Leech is the former head of the Ordnance Survey archaeological office. To book tickets, contact 01794 512200.