HuffPo and WaPo ARE the same!
‘Niggerhead’ is/was a very common name for certain geologic formations throughout the USA. In Alaska, it refers to the muskeg swamps. Even where official maps and names have changed, locals almost always stick with the ‘n’ word.
“Niggerhead” was, among others:
A former 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.
A former sailors’ term for an isolated coral head, notorious as navigation hazards.
Among some American stonemasons, a term for a large smoothly rounded stone.
An antiquated term for a large round rock sticking up from the surface of a logging road, used by loggers and log truck drivers in the Pacific Northwest.
An old U.S. Navy term for a small winch, a Capstan.
A coal miner’s term for blackish iron disulfide nodular rock occurring at the top of the coal seams, often visible in coal mine roofs. Because of their density, they can fall from the roofs, injuring or killing the miners below.
An archaic term for the striking weight on a pile driver.
A term for a steam manifold, fountain, turret or header on a boiler, particularly that of a locomotive.