GR translation: iron roadstead

[David Morris]

Iron would be the metal, but what is the iron roadstead?  It must be the
name of a bay or port.

https://en.m.wikipedia.org/wiki/Roadstead

A *roadstead* (or roads – the earlier form)[a]
<https://en.m.wikipedia.org/wiki/Roadstead#cite_note-3> is a body of water
sheltered from rip currents <https://en.m.wikipedia.org/wiki/Rip_current>,
spring tides, or ocean swell where ships
<https://en.m.wikipedia.org/wiki/Ship> can lie reasonably safely at anchor
<https://en.m.wikipedia.org/wiki/Anchor> without dragging or snatching.[3]
<https://en.m.wikipedia.org/wiki/Roadstead#cite_note-TM5360-4>[4]
<https://en.m.wikipedia.org/wiki/Roadstead#cite_note-5> It can be open or
natural, usually estuary <https://en.m.wikipedia.org/wiki/Estuary>-based,
or may be created artificially.

On Mon, Jun 27, 2022 at 10:44 PM Mike Jing <gravitys.rainbow.cn at gmail.com>
wrote:

> V99.36-38, P101.32-35    . . . and he came ashore in a high-prowed wooden
> boat that had 20 years earlier brought blue-trousered troops in from the
> iron roadstead to crush the great Herero Rising.
>
> What does the word "iron" indicate here?
> --
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>