<div class="description">
<dl><dd>Cover title</dd>
<dd>"Agr 43-28"</dd>
<dd>Explains principles of contour plowing; stresses the need for soil conservation and increased food production as part of the struggle to win World War II</dd></dl><br>Subjects: Contour farming; Soil conservation; World War, 1939-1945 Food supply</div>
<div class="fn value">
<dl><dd>United States. Department of Agriculture</dd>
<dd>United States. Soil Conservation Service</dd></dl></div>
Internet Archive identifier