A very high proportion of the State of Nevada is federal public land. As a result, its score more or less matches that given to the Federal rating. Within the environmental field, Nevada has adopted some helpful safe harbours that help to ensure that permitting requirements are not engaged as a result of tree blazing, soil sampling or minor trench digging; it demonstrates an understanding of the industry and a level of pragmatism befitting a state well known for its support of the mining industry.