From: National Parks Traveler
"An investigation into cell tower installations in national parks has found not only that the National Park Service doesn't know how many of the installations exist across the National Park System, but that the agency is either overcharging or undercharging right-of-way and cost recovery fees. More so, the report from the Interior Department's Office of Inspector General noted that in some cases the Park Service was unable to prove that it followed the required National Environmental Policy Act steps when processing commercial permits for the needed rights-of-way. In some cases, parks did not obtain approval from their regional director before approving commercial right-of-way permits for towers, the report added."