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Language: English Series: Building Today ; vol 197 no 5802 20/4/89 p12Publication details: 1989Subject(s): Summary: British Geological Survey researchers are carrying out a survey of land under the city of Nottingham , to identify all man-made caves , some of which date back 1,000 years. The survey will also record old landfill sites.

British Geological Survey researchers are carrying out a survey of land under the city of Nottingham , to identify all man-made caves , some of which date back 1,000 years. The survey will also record old landfill sites.