<div class="description">
<dl><dd>Caption title</dd>
<dd>"April 1938."</dd></dl><br>Subjects: Waterfowl management North America; Waterfowl Migration North America</div>
<div class="fn value">
<dl><dd>U.S. Fish and Wildlife Service</dd>
<dd>United States. Bureau of Biological Survey</dd>
<dd>United States. Section of Distribution and Migration of Birds</dd></dl></div>
Internet Archive identifier