Alpine National Park.

Take your pick!
The one I knew was referring to a small coral reef.

Niggerhead
An antiquated logging and trucking term used to define a large round rock or outcropping of rocks usually on an unpaved road bed that could damage a vehicle.


Niggerhead may refer to:

The British term for a black iron post for mooring ships, made from an old cannon partially buried muzzle upward, with a slightly oversize black cannonball covering the hole, was "niggerhead".

Sailors formerly called an isolated coral head a niggerhead. They are notorious as navigation hazards.

The niggerhead cactus, Echinocactus polycephalus which is native to California and Arizona.

The colloquial name for Echinacea, or coneflower, is, variously, "Kansas niggerhead" or "wild niggerhead".

The niggerhead termite, Nasutitermes graveolus, is native to Australia.

Among some American stone masons a "niggherhead" is a large smoothly rounded stone

Old U.S. Navy term for a small winch, a capstan.

Carex secta, a tussock grass from swamps in New Zealand.

Nigger Head is an island in North Queensland, Australia.

As it stated in local paper it looks like an aboriginal head at a certain angle was named by an explorer in 1800s
reggy2