No. 1 Area. Seam Analyses: Cynheidre shaft sinkings (Interim report at completion of shaft sinking) (1826) Jan 1957

  • This material is held at
  • Reference
      GB 216 D/D PRO/NCB/6/119
  • Dates of Creation
      Jan 1957
  • Language of Material
      English
  • Physical Description
      1 file