Maintenance,
ventilation
and access
Materials
handling
facility
Woodsmith mine
Harbour
Mineral transport
tunnel 36.7km
Potash shaft
1,600m
Access shaft
Salt seam
Potash
up to 40 metres thick
Teesside
harbour
Proposed route
of tunnel
Wilton
International
Whitby
Woodsmith
mine
North York Moors
Scarborough
10km
10 miles
Maintenance,
ventilation
and access
Materials
handling
facility
Woodsmith mine
Harbour
Average depth 250m
Mineral transport tunnel 36.7km
Potash shaft
Access
shaft
1,600m
Sandstone
Salt seam
Potash
up to 40 metres thick
5km
5 miles
Teesside harbour
North Sea
Middlesbrough
Wilton
International
Whitby
Woodsmith mine
Proposed route of tunnel
North York Moors
Scarborough
Thirsk