The department may enter, inspect, and examine any mining operations in the state and inspect and examine the workings and the machinery belonging to it at all reasonable times, either day or night, but not so as to impede or obstruct the workings of the mining operation more than is necessary. The department may also make inquiry into the condition of the mine, workings, machinery, ventilation, drainage, and methods of lighting or using lights and into methods, things, and appliances connected with and relating to the health and safety of persons in or about the mine. The manager of each mine shall furnish the means necessary for entry, inspection, examination, inquiry, and exit.