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IV.—Flowing Wells and Sub-Surface Water in Kharga Oasis
Published online by Cambridge University Press: 01 May 2009
Extract
The Possibility of obtaining, under certain conditions, flowing wells from these sandstones has been brought to my notice by the discovery that in the neighbourhood of El Dêr, on the east side of the depression, flowing water is obtainable from comparatively shallow wells sunk on the crest of the anticlinal fold, which runs north and south through that district, through the red shales to the underlying surface-water sandstone (see section). I am unable to speak positively of the original depth of the ancient wells in this district, but when one of those to the north of El Dêr was taken in hand, cleaned out and cased. flowing water was met with at a depth of 65 metres, below which untouched ground was struck. The flow increased on drilling a few metres into the sandstone rock below, and the bore has now given a fairly steady discharge of about 40 gallons per minute for over twelve months.
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- Copyright © Cambridge University Press 1908
References
page 102 note 1 See ante, p. 56.
page 102 note 2 Ante, p. 55.
page 103 note 1 Cridler, A. F. & Johnson, L. C., “Underground Water Resources of Mississippi”: Water Supply and Irrigation Paper No. 159, United States Geological Survey publications.Google Scholar
page 104 note 1 The datum used being a point on the Western Oasis Railway, the value of which must be regarded as approximate only.
page 105 note 1 Mr. Garsed informs me that the CO2 figure of Bore No. 3, which appears comparatively high, may be due to experimental error.
page 108 note 1 Gregory, J. W.: “The Dead Heart of Australin,” London, 1906, pp. 288–289.Google Scholar