geology - How did the Cliffs of Dover form flint in regular stripes? - Earth Science Stack Exchange
Geological Society - Chalk cliffs, Sussex
White Cliffs of Dover - Wikipedia
Geography Site: Coasts - Cliffs
Botany Bay in the county of Kent (south east coast of England) comprises cliffs made of chalk that formed during the Cretaceous period Stock Photo - Alamy
The interesting way Colorado's Chalk Cliffs were formed | outtherecolorado.com
A Beautiful View of the Seven Sisters Chalk Cliffs at Cuckmere Haven on the South Coast of England Stock Image - Image of precipitous, seven: 119768281
DISCOVERING FOSSILS | What is chalk and how does it form?
Rock of ages: how chalk made England | Geology | The Guardian
DISCOVERING FOSSILS | What is chalk and how does it form?
White Cliffs of Dover: Thousands of tons of chalk crash into the sea as large section collapses | Daily Mail Online
Chalk: A biological limestone formed from shell debris
Rock of ages: how chalk made England | Geology | The Guardian
How Cliffs Are Formed | Sciencing
Monument Rocks, Kansas | Cretaceous Chalk Cliffs in the Middle of the Prairie » Bonjour Becky
GeoLog | Imaggeo on Mondays: The Chalk Cliffs of Étretat
Forest Schools : The Science of Chalk
Chalk challenges deep-time dogma
Giant algal bloom sheds light on formation of White Cliffs of Dover