New Civil Engineer
Colin Warren
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Britain's longest borehole
1-May-2002
Almost every type of geological material in south east England is encountered on the CTRL route, explains RLE lead geologist Colin Warren.


Leader: Join the debate
Our future prosperity is in need of a clear, bold infrastructure vision
Antony Oliver NCE Editor
1-May-2002
Almost every type of geological material in south east England is encountered on the CTRL route, explains RLE lead geologist Colin Warren.