Compiled Laws, Chapter 750. Michigan Penal Code § 750.386

Sec. 386.MALICIOUSLY INJURING OR DESTROYING MACHINERY AND APPLIANCES USED FOR PUMPING, SIGNALING OR HOISTING OF MEN OR MATERIALS IN MINES--Any person who shall wilfully and maliciously cut, break, obstruct, injure or destroy or cause to be cut, broken, obstructed, injured or destroyed, any pump, pumprod, man-engine, ladder, ladderway, skip, skip-track, car, car-track, bell, signal, rope, cable, cage, air-compressor, steam boiler, electric generator, or any other appliance or thing whether herein particularly mentioned or not, the same being above ground or under ground in any mine, used for or connected with the hoisting or pumping apparatus, or means of conveyance or escape from any mine; or any stull, timber, plank, platform or other appliance or other thing, whether herein particularly mentioned or not, used for or connected with securing or upholding rock, or used for or connected with the purpose of securing the safety of workmen, the same being under ground in any mine; or shall do the like to any engine house, boiler house, electrical generator house, shaft house or any other structure above ground containing machinery or appliances used for or connected with the pumping, signaling or hoisting of men or materials, or with securing the safety of workmen underground, such mine not being then and there an abandoned mine, shall be guilty of felony, punishable by imprisonment in the state prison not more than 20 years, or by fine of not more than 10,000 dollars.