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False False Eislufthöhle 1623 5/S/E x 76 originally numbered 106 1623-76a a 1623-76b b CUCC 1977-79,2004-2006 caves-1623/76/76.svx The exploration is written up in many places:

This last item, the only complete write up of 1977-79, appeared in Polish translation, and is published in the English original for the first time here.

The lower parts of the 1970s surveys are based on measurement of rope lengths and thus probably best categorised as Grade 2. The 2004 resurveyed depth for the taproom agrees closely with the 1970s surveys:

  Data for the sections covered so far by the resurvey project begun in 2004 can be downloaded as a .3d file. resurveyed so far resurveyed so far; original depth ~506m resurveyed so far