Your browser is no longer supported

For the best possible experience using our website we recommend you upgrade to a newer version or another browser.

Your browser appears to have cookies disabled. For the best experience of this website, please enable cookies in your browser

We'll assume we have your consent to use cookies, for example so you won't need to log in each time you visit our site.
Learn more

Colin Warren

Stories

  • Britain's longest boreholeSubscription

    1 May, 2002Updated: 19 February, 2009

    Almost every type of geological material in south east England is encountered on the CTRL route, explains RLE lead geologist Colin Warren.