<p>T-shaped tool made of PVC pipe</p>
<p>Densiometer used for Sonoran Desert Network vegetation monitoring. This device is akin to a periscope; the user looks into one of the horizontal tubes to judge canopy cover overhead.</p>
<ul><li>Keywords: coronado national memorial; arizona; sonoran desert network; national park service; vegetation monitoring; densiometer</li></ul>
Alice Wondrak-Biel
Taken on 27 October 2011
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