There are three outstanding map protractors to consider for your land navigation needs. Land navigation is an essential part of both emergency survival and enjoying the outdoors. Many people prefer to use GPS devices such as those from Garmin®. Other people prefer to use some kind of GPS and Map application on their smartphone or tablet. However, land navigation with a paper topographic map can be cumbersome without the aid of a map protractor and a compass. Therefore, it is good to know the two basic kinds of