Butterley Company correspondence file on the sublease of the Top Hard coal seam in Fulwood near Sutton-in-Ashfield to the South Normanton Colliery Company Land owned by the Duke of Portland. Mention is also made to the New Hucknall Colliery Company, who had a barrier with the land mentioned and owned the appropriate freehold. Includes a copy of an agreement made between the Butterley Company and the South Normanton Company about a smaller lease in Aug 1903. Aug 1903-Apr 1917