East Holywell, possible rectilinear enclosure

Cropmarks that may indicate the northern edge and corners of a small rectilinear enclosure are visible on air photos. The southern portion of this enclosure is obscured or truncated by disturbances associated with the East Hollywell Colliery. The enclosure is approximately 40m wide and of unknown length. This enclosure lies approximately 490m north of Brierdene Burn. The date of this feature is not known.