Cujus est solum, ejus est usque ad coelum et ad inferos
Dictionary:
Ballentine's Law Dictionary
The owner of the soil owns to the Heavens and also to the lowest depths. See 186 N. Y. 486, 116 Am. St. Rep. 563, 9 Ann. Cas. 858, 11 L. R. A. (N. S.) 920, 79 N. E. 716.