<div class="description">
<dl><dd>"March 1971."</dd>
<dd>Bibliography: p. 11</dd></dl><br>Subjects: Aerial photography in forestry; Aerial photography in agriculture; Range management</div>
<div class="fn value">
<dl><dd>Driscoll, Richard S., 1929-</dd>
<dd>Rocky Mountain Forest and Range Experiment Station (Fort Collins, Colo.) cn</dd>
<dd>United States. Forest Service. cn</dd></dl></div>
Internet Archive identifier