Any person who knowingly violates the provisions of subsection (a) of this section shall be punished by a fine of not more than $500,000, imprisonment for not more than five years, or both.
Whenever it shall appear that any person is engaged, or is about to engage, in any act which constitutes or will constitute a violation of subsection (a) of this section, the Attorney General may institute a civil action in the district court of the United States for the judicial district in which the defendant resides or in which the violation occurred or in which the lease or land involved is located, for a temporary restraining order, injunction, civil penalty of not more than $100,000 for each violation, or other appropriate remedy, including but not limited to, a prohibition from participation in exploration, leasing, or development of any Federal mineral, or any combination of the foregoing.
The remedies, penalties, fines, and imprisonment prescribed in this section shall be concurrent and cumulative and the exercise of one shall not preclude the exercise of the others. Further, the remedies, penalties, fines, and imprisonment prescribed in this section shall be in addition to any other remedies, penalties, fines, and imprisonment afforded by any other law or regulation.