Show more Look at any map of the district around Northwich in Cheshire and you'll see that ... while at Winsford rock salt mine, Felicity goes underground with mine manager, Gary Sinclair.

But where does it come from? We go underground in Cheshire to see Britain’s biggest salt mine – and the vast space left behind. With the recent wintry weather, Highways Agency and council ...

Cheshire's salt mines date back to the Triassic geological period, some 220 million years ago, when the county's weather was very different to what it is today. The importance of salt to Cheshire ...