By Thomas E. Reilly, O. Lehn Franke, and Gordon D. Bennett
This report is available as a pdf below
The series of manuals on techniques describes procedures for planning and executing specialized work in water-resources investigations. The material is grouped under major subject headings called books and further subdivided into sections and chapters; section B of book 3 is on ground-water techniques.
The unit of publication, the chapter, is limited to a narrow field of subject matter. This format permits flexibility in revision and publication as the need arises. Chapter 3-B6 deals with the principle of superposition and its applications in ground-water hydraulics.
Provisional drafts of chapters are distributed to field offices of the U.S. Geological Survey for their use. These drafts are subject to revision because of experience in use or because of advancement in knowledge, techniques, or equipment. After the technique described in a chapter is sufficiently developed, the chapter is published and is for sale from U.S. Geological Survey, Books and Open-File Reports Section, Federal Center, Box 25425, Denver, CO 80225.
Reference to trade names, commercial products, manufacturers, or distributors in this manual constitutes neither endorsement by the Geological Survey nor recommendation for use.
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