30 CFR § 77.1500
Auger mining; planning.
Auger mining shall be planned and conducted by the operator to insure against
any hazard to underground workings located at or near such auger operations
and all auger holes shall be located so as to prevent:
(a) The disruption of the ventilation system of any active
(b) Inundation hazards from surface water entering any active
(c) Damage to the roof and ribs of active underground workings;
(d) Intersection of auger holes with underground mine workings known
to contain dangerous quantities of impounded water.