Access
check Permission required.
Permission required from Hurtlemoor Farm, the farm above Outlands Head Quarry.
Listed as a monument in the Derbyshire Historic Environment Record - MDR2361.
References
,, , Quart. Jour. Geol Soc., pp.240-241.,
(1963), , B.S.A. Cave Science Vol.V. No.33., pp.25-35., British Speleological Association
(1966), , B.S.A. Cave Science Vol.V. No.40., pp.426-439., British Speleological Association
(2010), , Caves of the Peak District, p. 55, DCA