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THE WATER-BEARING STRATA
OF THE COUNTRY
WITH REFERENCE ESPECIALLY TO
THE WATER-SUPPLY OF THE METROPOLIS;
AND INCLUDING SOME REMARKS ON SPRINGS.
JOSEPH PRESTWICH, Jun., F.G.S.,
MEMBER OP THE GEOLOGICAL SOCIETY OP fRANCE j
TABLE OF CONTENTS.
§ 1. Object of the work.—General view of the subject.
1. The attention of the author was first directed to the subject of the present work by the apparent want of sufficient geological information bearing upon the question of "Artesian wells," and by the uncertainty as to their capabilities and value, which seemed to prevail in the discussions of the many plans brought forward in the course of the last few years, for the better supply of water to the metropolis.
Some acquaintance with the Geology of the district, which had led incidentally to an examination of the Artesian wells, joined to the general interest of the subject, was the cause of his engaging in this inquiry; not, however, with any purpose of treating it in that detail which the special nature of the subject would require, but rather with the hope of calling attention to the practical application of Geology in an important economical question, and of establishing some general principles which may serve to guide to further and more exact investigations.
Although since the commencement of this work the several districts have been visited by the author with reference more especially to the object he has had in view, the greater part of the observations recorded in the following pages are the