  We consider the possibility of mining black holes in the 1+1-dimensional
dilaton gravity model of Russo, Susskind and Thorlacius. The model correctly
incorporates Hawking radiation and back-reaction in a semiclassical expansion
in 1/N, where N is the number of matter species. It is shown that the lifetime
of a perturbed black hole is independent of the addition of any extra apparatus
when realized by an arbitrary positive energy matter source. We conclude that
mining does not occur in the RST model and comment on the implications of this
for the black hole information paradox.
