OIL SHALE (MINING)
  • BT
    BITUMINOUS ASPHALTS + SHALES + OIL SHALES (MINING)
  • UDC
    622.337.2
  • Descriptor GER
    BITUMINÖSER SCHIEFER + ÖLSCHIEFER (BERGBAU)
  • Descriptor ENG
    OIL SHALE (MINING)
  • Descriptor FRE
    SCHISTES BITUMEUX (INDUSTRIE MINIÈRE)
  • Variant GER
    ÖLSCHIEFER (BERGBAU)
  • Variant ENG
    SHALE/OIL SHALE (MINING)
  • Variant FRE
    BITUMINEUX/SCHISTES BITUMINEUX (INDUSTRIE MINIÈRE)
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Last data import from Alma: 1 January 2025