1874ish comes to mind and then only when the mine employed more than 20
people
Andy Bowman
> -----Original Message-----
> From: Prof. Ken J. Smith [SMTP:[log in to unmask]]
> Sent: 21 November 2002 13:41
> To: [log in to unmask]
> Subject: Abandonment & Plumbago/Graphite
>
> Couple of easy ones for you erudite guys:
>
> 1) When did it become mandatory to notify the abandonment of a mine? And
> if
> a List of Abandoned Mines trfers to a specific mine but does not indicate
> an abandonment date , is it safe to assume it was abandoned before
> notification became mandatory?
>
> 2) I came accross a reference recently to a plumbago mine that produced
> graphite. I always thought plumbago to be black lead (ie a Pb compond) &
> graphite is an allotrope of carbon! My Oxford dictionary doesn't help - it
> says:
> ... black lead or graphite ... used in pencils ... (& mixed with clay to
> make crucibles). Please clarify.
>
> TYIA, Rgds,
> Ken Smith.
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