And any type of helicopter-based visual ground surveys and other similar work (SARs, wildlife and park resource management projects, fire fighting, crop dusting, etc), often require helicopters to fly very low, even just tens of feet above ground...
There are two BLM parcels in my area that are landlocked and both of them have “private” roads leading to them that are now gated by the adjacent landowners. One I used to like to fly on and the other has an active mining claim that the...