30 U.S.C. § 622 : US Code - Section 622: Liability for damage, destruction, or loss of claim

Search 30 U.S.C. § 622 : US Code - Section 622: Liability for damage, destruction, or loss of claim

Prospecting and exploration for and the development and
utilization of mineral resources authorized in this chapter shall
be entered into or continued at the financial risk of the
individual party or parties undertaking such work: Provided, That
the United States, its permittees and licensees shall not be
responsible or held liable or incur any liability for the damage,
destruction, or loss of any mining claim, mill site, facility
installed or erected, income, or other property or investments
resulting from the actual use of such lands or portions thereof for
power development at any time where such power development is made
by or under the authority of the United States, except where such
damage, destruction, or loss results from the negligence of the
United States, its permittees and licensees.