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This category is for Sites of Special Scientific Interest (SSSIs) in County Durham, England.
Because English Nature, the designating body for SSSIs, uses the 1974-1996 county system, some sites that would otherwise have been included here will be found in the Tyne and Wear or Cleveland categories.
Pages in category "Sites of Special Scientific Interest in County Durham"
The following 89 pages are in this category, out of 89 total. This list may not reflect recent changes.