183. The cause of action.

The damage, not the withdrawal of support, is the cause of action, and no right of the surface1 owner is infringed unless and until subsidence results2. The mine3 owner may remove every atom of the minerals4 so long as the soil above does not fall; there is, therefore, no interference with the surface owner's right of enjoyment of his land, and no cause of action on his part, unless and until actual damage results from the removal of the minerals5. If, however, the condition of the surface owner's land is altered by subsidence, substantial in amount, so as to