What does this road sign mean?
Snowmobile Crossing
Ski Lodge Property
Snow Ranger Patrol

The correct answer and explanation is:
It seems like the road sign refers to Snowmobile Crossing. This indicates that snowmobiles frequently cross this road or area, so drivers should be alert and prepared to stop or slow down if necessary. These signs are common in regions with snowy or icy conditions, where snowmobiles are used as a means of transportation or recreation.
Snowmobiles are designed for use on snow and ice, but when they cross roads or trails, there is a risk of accidents, particularly with vehicles that are not accustomed to sudden stops or hazardous conditions. The purpose of the sign is to reduce the likelihood of accidents by warning drivers to remain vigilant and ready to react.
The Ski Lodge Property reference on the sign might be indicating that this road is near or leads to a ski lodge, an area where snowmobiles are often used as part of the recreational experience. Ski resorts often maintain roads or trails for snowmobiles to use, and drivers are warned to look out for them.
Snow Ranger Patrol could be a further indication that there are rangers or authorities in the area monitoring the condition of the snowmobile trails, or patrolling the area to ensure safety for both snowmobilers and vehicles.
In short, this road sign is advising that drivers should be cautious and watch for snowmobiles crossing the road, especially in areas with ski lodges and snow ranger patrols. Snowmobiles tend to be much harder to see and react to compared to regular vehicles, especially in snowy conditions. It is always better to approach such areas slowly and attentively to avoid accidents.