| Date | Site | OS Grid Ref | Stage | Quantity | Comment |
|---|---|---|---|---|---|
| 25 Oct 2017 | Caughall Bridge | SJ4171 | Mine | 1 | |
| 13 Sep 2010 | Cedar House, Chester Zoo | SJ415704 | Mine | 1 | grid reference provided SJ41567043, Photos of one tenanted and also one vacated mine - confirmed CMR from photo |
| 06 Sep 2010 | Chester Zoo | SJ4170 | Mine | 1+ | 40 mines, one tenanted on English Elm along roadside from entrance at Cedar House SJ415703 to SJ415705, photo available |
| 1857 | Bowdon | SJ7686 | Mine | 1+ | grid reference not provided. Ellis (1890) |