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<p>Bibliography: p. 22
</p>
<br>Subjects: Arceuthobium Control; Ponderosa pine Diseases and pests Control Arizona</div>
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<dl><dd>Lightle, Paul C. (Paul Charles), 1918-</dd>
<dd>Hawksworth, Frank G., 1926-</dd>
<dd>Rocky Mountain Forest and Range Experiment Station (U.S.) cn</dd></dl></div>
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