1. Border Mires : Active Drainage Mapping Project : Border Mires, Kielder – Butterburn Special Area of Conservation (SAC).: Active Drainage Mapping Project : Border Mires, Kielder – Butterburn Special Area of Conservation (SAC). (14th February 2017) Authors: Lee, Maeve Other Names: Natural England (Agency), commissioning body.; EcoNorth (Firm); Natura 2000 (Network) Record Type: Book Extent: 1 online resource (57 pages), illustrations (colour) View Content: Available online (eLD content is only available in our Reading Rooms) ↗