Records starting with M
- Mablethorpe - Sea Bank Farm - CA-7-1-314
- Mablethorpe - Land at RAF Theddlethorpe - CA-7-1-165
- Mablethorpe - Land at Willoughby Farms - CA-7-1-184
- Mablethorpe and Sutton - Land owned by Willoughby Farms Limited - CA-7-1-549
- Mablethorpe and Sutton - Sutton Springs Holiday Estate - CA-7-1-526
- Maidenwell - Land at Maidenwell Farm - CA-7-1-70
- Maidenwell - Land at Oxcombe Farm - CA-7-1-563
- Maltby le Marsh - Land at RAF Strubby - CA-7-1-161
- Maltby le Marsh - Land at Stoneleigh Farm - CA-7-1-237
- Maltby le Marsh - Land at Stoneleigh Farm - CA-7-1-477
- Manby - Land at RAF Manby - CA-7-1-157
- Manby - Manby Airfield - CA-7-1-300
- Mareham Le Fen - Land known as Revesby Estate - CA-7-1-289
- Mareham le Fen - The Revesby Estate - CA-7-1-528
- Mareham le Fen - The Tumby Estate - CA-7-1-546
- Mareham on the Hill - Land surrounding Scrafield House - CA-7-1-562
- Mareham on the Hill - Private road leading to Grange Farm - CA-7-1-71
- Markby - Land at Willoughby Farms - CA-7-1-184
- Market Deeping - Land adjacent to White House Farm and Millfield Road - CA-7-1-455
- Market Deeping - Market Deeping Estate - CA-7-1-527
- Market Rasen - Land at 58 Waterloo Street - CA-7-1-73
- Market Rasen - Land at Market Rasen Town Cricket and Association Football Club - CA-7-1-72-1
- Market Rasen - Land at Market Rasen Town Cricket and Association Football Club - CA-7-1-72-2
- Market Stainton - Land at Benniworth Grange Farm, Benniworth Glebe, The Westings, The Thoroughfare & Market Stainton Grange Farm - CA-7-1-421
- Market Stainton - Land at Slates Farm - CA-7-1-16
- Market Stainton - Land at the Stenigot Estate - CA-7-1-96-2
- Marshchapel - Land at Ludborough, Marshchapel, North Cotes, North Thoresby and Tetney - CA-7-1-606
- Marston - Land at Keepers Cottage - CA-7-1-557
- Martin - Land at Glebe Farm - CA-7-1-208
- Marton - Land at Gate Burton Estate - CA-7-1-43
- Mavis Enderby - Land at Upper and Lower Sow Dale Nature Reserve - CA-7-1-191
- Mavis Enderby - Land at various reserves owned by Lincolnshire Wildlife Trust - CA-7-1-438
- Metheringham - Land adjacent to cemetery, Metheringham - CA-7-1-375
- Metheringham - Land at Blankney and at former Martin Moor Golf Club - CA-7-1-373
- Metheringham - Land at Heath Grange Farm - CA-7-1-383
- Metheringham - Land at Quarry, Metheringham Heath Lane - CA-7-1-384
- Morton - Land at Mill Wood - CA-7-1-74
- Morton - Land at Thonock and Somerby Estates - CA-7-1-107
- Morton - Land forming part of Thonock and Somerby Estates (TSE1) – CA-7-1-364
- Morton - Land forming part of Thonock and Somerby Estates (TSE3) – CA-7-1-366
- Morton - Land surrounding Grimsthorpe Park and land at Langtoft - CA-7-1-620
- Morton nr Bourne - Land to the east of A15 Folkingham Road - CA-7-1-464
- Moulton - Land at Moulton Marsh Nature Reserve - CA-7-1-141
- Moulton - Land at Moulton, land at Whaplode, part Loosegate Farm - CA-7-1-358
- Moulton - Land at various locations - CA-7-1-510
- Moulton - Land at various reserves owned by Lincolnshire Wildlife Trust - CA-7-1-438
- Moulton - Land owned by College of St John the Evangelist - CA-7-1-515
- Moulton - Land within the South Holland Internal Drainage District - CA-7-1-256
- Muckton - Land at Muckton Wood Nature Reserve - CA-7-1-142
- Muckton - Land at various reserves owned by Lincolnshire Wildlife Trust - CA-7-1-438
