An uncertain future for England's Chalk Streams - The London NERC DTP | The London NERC DTP
Principal aquifers in England and Wales | Aquifer, shale and clay maps | Aquifers and shales | Groundwater | Our research | British Geological Survey (BGS)
DISCOVERING FOSSILS | What is chalk and how does it form?
Chalk streams: why 'England's rainforests' are so rare and precious
NW European Stratigraphic Lexica
UK lawmaker Alex Chalk replaces Raab as justice minister | Reuters
Rock of ages: how chalk made England | Geology | The Guardian
Chalk Group - Wikipedia
Celebrating our Chalk Streams on World Rivers Day - Creating a better place
Chalk Rivers (England) | Chalk Rivers (England) | Natural England Open Data Geoportal