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'File 19/252 Bahrain Water Supply' [‎11r] (23/96)

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The record is made up of 1 volume (45 folios). It was created in 29 May 1939-19 Nov 1942. It was written in English and Arabic. The original is part of the British Library: India Office The department of the British Government to which the Government of India reported between 1858 and 1947. The successor to the Court of Directors. Records and Private Papers Documents collected in a private capacity. .

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shale break above them, although assuredly there is some sort
of impervious bed to confine the waters. Similar water hori
zons within Zone "A" are found at the Portugese Fort and in
the Raiya well on Muharraq; but in the dirferent wells, the
waters appear at different points within the limestone body.
One is thus forced to the conclusion that the body is a
single unit within which waters are confined at various points
entirely because of local difference in porosity. It is evi
dent that to try to anticipate these occurrences would be
very difficult, if at all possible. It is conceivable that
if data were available on enough holes, some order might assert
itself in these occurrences. The waters of Zone "A" seem to
follow rather well on a comparison of quality, with the waters
of zones below. In areas where one is good, generally the
other is good also. In the south part of the island where
the water from below is very baa, the water in Zone "A" is
even worse.
Water Zone
Water Zone tT B" occurs at depths of from 100 to 300
feet and is overlain by a shale which runs from 25 to 50 feet
thick, usually yellow in colour. The zone is generally re
cognised by the quantity of water which flows frcbm it and
the increase in head over waters above. Also, the formation
is usually so friable that small crystalline fragments of
limestone continue to flow out in the water for some time
after the horizon is penetrated. It has definite charac
teristics under a microscope which would add nothing to the
layman*s appreciation of it and therefore need not be enumera
ted here. This zone produces the bulk of the water on
Bahrain Island. So far as is known, this horizon is everywhere
present around the edge of the island with the possible
exception/-
-
IF

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Content

The documents in this file are all related to the natural water supply of Bahrain.

They include two detailed surveys of the island's water supply, correspondence concerning the status of Bahrain's artesian wells, concerns about the wastage of water in gardens owned by Shaikh Hamad bin Isa Al Khalifa (and other members of the Al Khalifa family) and more general correspondence regarding the usage of water in Bahrain.

Extent and format
1 volume (45 folios)
Arrangement

File is arranged in chronological order, from earliest at beginning of the file to most recent at end.

Physical characteristics

Previously a bound volume, its sheets have been unbound and are now loose. Foliation starts with 1A for the file cover. The first page of the volume is 1B. It continues to the last page. Foliation in pencil numbers in top right corner of recto The front of a sheet of paper or leaf, often abbreviated to 'r'. . Additional foliation has been rubbed out but is still faintly visible. Further foliation starts with 31 on f.21 and continues to f.27. It is then also rubbed out but traces remain visible. Due to foliation error, we have f.36A and f.36B instead of f.36.

Written in
English and Arabic in Latin and Arabic script
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'File 19/252 Bahrain Water Supply' [‎11r] (23/96), British Library: India Office Records and Private Papers, IOR/R/15/1/376, in Qatar Digital Library <https://www.qdl.qa/archive/81055/vdc_100023472486.0x000018> [accessed 28 March 2024]

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