- The Geology of Water - Supply. By Horace B. Woodward, F.R.S.
(Edward Arnold. 7s. 6d. net.)—This volume, belonging to "Arnold's Geological Series," should be of the greatest use to any one who is practically concerned with water-supply, on a small or large scale. The dweller in a town can scarcely understand how important a matter it is. He takes the supply for granted, ,and if things are well managed, he is all right. When he ,comes to build a house, or, maybe, has to supply a destitute village, his difficulties begin. Such a book as this, dealing as it does with the whole of England and Wales, is indispensable. Of course he will supplement it with local knowledge. In the siolite region, for instance, he will have to know how' thick the water-bearing stratum is. His well must not be more than so many feet deep, or the water will be lost, and he will have to go on another hundred feet or more. A house to be properly provided for in such a region should have both a shallow and a deep well.
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