Grays Harbor | Grays | Thurrock | Providence Grays | Grays River, Washington | Grays River | Homestead Grays | West Thurrock | Thurrock Council | Grays Harbor County, Washington | Grays Harbor County | Grays Athletic F.C. | Thurrock Thameside Nature Park | The Days of Grays | Grays River (Washington) | Basildon and Thurrock University Hospitals NHS Foundation Trust | 2009–10 Grays Athletic F.C. season |
Isolated specimens have been discovered in various parts of Kent and Essex, but the most important groups have been found at Grays Thurrock, in the districts of Woolwich, Abbey Wood and Bexley, and at Gravesend.