False 1623-81 Schwa Höhle 81 1623 1c 1/T + 81 1623-81 CUCC 1977 - Team Geriatric A short section of horizontal passage 5m below the surface, with two entrances, but no way on.
Extended Elevation of 148 and 81 (2012):
Survey (25k PNG)
Area plan, showing 81, 82, 107, 148, 1987-02, 2006-06 and 2006-76 (2012):
Survey (72k PNG)
Compare with original Grade 1 extended elevation in Cambridge Underground expedition report 15m. caves/81/81.svx plateau/81/81.html plateau/81/81.html