<div class="description">
<dl><dd>"January 31, 1961."</dd>
<dd>Cover title</dd>
<dd>Authors: Arthur R. Gregory [and others]</dd></dl><br>Subjects: Hydraulics Mathematics; Channels (Hydraulic engineering) Design and construction</div>
<div class="fn value">
<dl><dd>United States. Soil Conservation Service. Engineering Division</dd>
<dd>Gregory, Arthur R</dd></dl></div>
Internet Archive identifier