This coal seam levels dataset shows the level of underground working in metres along a specific point/contour, in a specific seam, above or below ordnance datum/sea level. A minus before the figure means below Ordnance Datum/Sea Level. No minus before the figure means above Ordnance Datum/Sea Level.
In November 2024, the Coal Authority changed its name to the Mining Remediation Authority to better reflect its mission and continued commitment to environmental sustainability, safety, and community support.