Idaho Code § 18-7024
It shall be unlawful for any person or persons to set fire, wilfully or maliciously, in or within any of the underground tunnels, shafts, or any of the underground workings of any mine in the state of Idaho that shall result in the burning of, destruction of, or injury to any of the timbering or workings of any such mine or any part thereof.
[18-7024, added 1972, ch. 336, sec. 1, p. 978.]