Excerpt from Bibliographic Review and Index of Papers Relating to Underground Waters: Published by the United States Geological Survey 1870 1904
On the organization of the division of hydrology in 1903, and the beginning of systematic work on underground waters, an urgent need was felt for more definite information as to what had been published on the subject by both the National and the State surveys and in other publications. Plans were accordingly made for preparing a bibliography of underground waters, but it was soon found that owing to inadequate indexes it would be necessary to scan nearly every page of geologic publications. As this was not feasible, it became necessary to limit the work, for the time at least, to the preparation of a review and index of the publications of the United States Geological Survey.
These publications, amounting to about 400 volumes and embracing about 1,500 papers, were examined, many of them page by page, and brief summaries of the facts relating to underground waters were compiled. A large proportion of the references to underground waters are given in connection with geologic descriptions, and most of them are very brief, although some are of importance. Being incidental to discussions of other subjects, many would doubtless be ordinarily overlooked, especially as in a large number of cases no reference is made to them in the indexes. There are about 600 titles in the bibliography, an average of about 21 for each year from 1880 to 1903, but in 1904, owing to the publication of the results of the systematic work of the new division of hydrology, this number was increased to about 130.
In preparing the index two distinct classes of readers were kept in mind, the first including those who are interested in the underground-water resources of special regions, and the second those interested in some particular type of ground water or in one or more of the many problems of ground-water occurrence.
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