My co-worker has a cabin in a remote forest in Michigan. The only access is by a "Forest Road" more than a mile long. This is a gravel road that essentially no one owns. It is on Forest Service land. Since no one maintains it, if it gets too rough to drive a truck on, the resident(s) have to do this: Pay the Forest Service for a permit to fix the road, then pay a road grader/gravel company $$$ to come and fix the road. They also need a different permit to cut down a big (standing) tree or remove a big boulder. I think he told me they couldn't get a permit to remove a big tree and so had to remove a big boulder and slightly re-route the road around the tree. The US Forest Service manages 193 million acres (780,000 km2) of land. Most Forest Services land is not "park" or "wilderness". It is land mostly used for timber harvesting, hunting, mining, grazing, and oil drilling (except not the designated "wilderness" areas). The permit process regulates the use of the land in a "balanced" manner, to preserve the wildlife while allowing limited resource extraction.