By Antonius Laenen
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 A of Book 3 is on techniques as related to surface water.
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 Al7 of Book 3 (TWRI 3-A17) deals with acoustic velocity meter systems.
Reference to trade names, commercial products, manufacturers, or distributors in this manual constitutes neither endorsement by the U.S. Geological Survey nor recommendation for use.
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