Nigeria and its tin fieldsCalvert, Albert Frederick
History
Nigeria and its tin fields
Calvert, Albert Frederick
Tin mines and mining -- Nigeria
(B) Negotiations should be entered into with the Niger Company
to take over this part of the river, or with a view to an
amalgamation of interests.
A mining licence should then be obtained to commence at a
beacon 10,343 feet due west of the N’Gell beacon, thence 2½
miles due west, thence 1 mile due south, thence 2½ miles due
east, thence 1 mile due north to the starting point, enclosing
an area of 2½ square miles.
(C) I recommend that an exclusive prospecting licence be
applied for, identical with Sections 36 to 40, enclosing an
area of five square miles. If a prospecting licence is not
allowed in any form, the expense of holding this piece of
land under mining licences must be borne until prospecting is
completed.
There remains only the river flowing through Sections 46 and
35. A rectangular prospecting area (or, if refused, a mining
area) ½ mile wide, east and west, by about 1¼ miles long,
north and south, will be sufficient to hold this while its
examination is going on.
With regard to staff and the work for the immediate future, a good
surveyor and assistant must be sent out whose chief duty, apart from the
demarcation of boundaries, would be the determination of grades in the
rivers, measurement of water, survey of falls, and the preparation of
sections showing the alluvial beds as disclosed by the pits and bores.
An experienced man to carry out the boring operations should also be
provided, and the whole work placed in charge of a capable hydraulic
mining engineer.
CONCLUSION
It is above all things desirable to aim at working the whole of the
deposits about this river as one large power proposition, deriving the
power either from falls on the property or from Kwall. Should it be
found impossible to do this (from failure to secure the land and falls
required), then it will have to be proved whether the deposits on the
six square miles of “A” portion justify the expense of harnessing falls
and conveying power to the heads of the streams. If not, as much of the
alluvial as possible must be worked out by the same system of sluicing
as was employed last year, but on an increased scale, and with a more
elaborate method of dealing with the water supply.
I am of opinion that it will take a year with a competent staff to prove
the six miles of land referred to in “A” portion.
(_Signed_) H. W. LAWS, M.I.M.M.
_3rd September, 1910._
N’GELL STREAM AREAS
_28th December, 1909._
_The Secretary_, NIGER COMPANY, LIMITED, LONDON, W.C.
DEAR SIR,—I beg to hand you herewith Summary of tin returns for the
months of November and December.
Public-domain text, read in full here on John Shaqi.
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