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Interior of Chalk Farm Underground station on the Northern Line, empty during the Covid-19 lockdown, London, England, United Kingdom, Europe Stock Photo - Alamy
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Eyesore' blocks of flats behind listed Chalk Farm Tube station given go-ahead by planners | London Evening Standard | Evening Standard
![Principal aquifers in England and Wales | Aquifer, shale and clay maps | Aquifers and shales | Groundwater | Our research | British Geological Survey (BGS) Principal aquifers in England and Wales | Aquifer, shale and clay maps | Aquifers and shales | Groundwater | Our research | British Geological Survey (BGS)](https://www2.bgs.ac.uk/groundwater/shaleGas/aquifersAndShales/maps/aquifers/images/Chalk.png)
Principal aquifers in England and Wales | Aquifer, shale and clay maps | Aquifers and shales | Groundwater | Our research | British Geological Survey (BGS)
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