Looking for evidence about the past is done by people called archaeologists. They have many different ways of finding clues to help them build up a picture of what things were like years ago.

• Archaeological Methods
  We can find out about the past in many different ways. This page tells you about some of the methods archaeologists use to discover evidence of our history.
  


• Taking a core
  Much evidence is hidden deep in the Chichester Harbour mud. Find out how and why samples of mud called 'cores' were taken from seven different places around the harbour.
  
  
• Exploring a core
  This exciting and interactive page allows you to explore one of the seven cores, and to see how the evidence from each sample is put together to give snapshots of the landscape from the recent past to 9000 years ago!
  
  
• Changing coastlines
  The harbour has changed in the last 2 million years, and is still changing today. Looking at the past can help us predict the future.
• Marine Charts
  What is the difference between a marine chart and a map? What can old charts tell us about changes in the harbour?