Guide to London's Geological Sites
Report - - Pinner Chalk Mine, London - Nov 2022 | Mines and Quarries | 28DaysLater.co.uk
Pinner Wood School to re-open in site where chalk mine was discovered | Harrow Times
Inside London's hidden chalk mines that could have swallowed a school - MyLondon
Hanover Chalk Mine – Subterranea Britannica
The Chalk Mines beneath Pinner - Harrow Online
Report - - Pinner Chalk Mine, London - Nov 2022 | Mines and Quarries | 28DaysLater.co.uk
Inside London's hidden chalk mines that could have swallowed a school - MyLondon
Undiscovered chalk mine could close London school forever | IBTimes UK
Greater London Industrial Archaeology Society
Report - - Pinner Chalk Mine, London - Nov 2022 | Mines and Quarries | 28DaysLater.co.uk
Hanover Chalk Mine – Subterranea Britannica
Pinner Wood School Harrow | Chalk Mines Survey | Geoterra Geoterra
Local Chalk
Report - - Pinner Stone Mine 04-06-17 | Mines and Quarries | 28DaysLater.co.uk
Pinner Chalk Mines by Ken Kirkman
Pinner Wood School Harrow | Chalk Mines Survey | Geoterra Geoterra
diamond geezer
Report - - Pinner Chalk Mine, London - Nov 2022 | Mines and Quarries | 28DaysLater.co.uk
Pinner school faces closure after chalk mine discovery - BBC News
Report - - Pinner Chalk Mine, London - Nov 2022 | Mines and Quarries | 28DaysLater.co.uk
Report - - Pinner Chalk Mine, London - Nov 2022 | Mines and Quarries | 28DaysLater.co.uk
Pinner Wood School Harrow | Chalk Mines Survey | Geoterra Geoterra
75 GLA 36 Pinner Chalk Mines
Report - - Pinner Chalk Mine, London - Nov 2022 | Mines and Quarries | 28DaysLater.co.uk
Report - - Pinner Chalk Mine, London - Nov 2022 | Mines and Quarries | 28DaysLater.co.uk
