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Collecting Ponderosa Pine Measurements

By Climate Research and Development Program
left image shows scientists measuring diameter of fallen tree and right image shows someone holding a pine cone
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Detailed Description

Scientists and volunteers collect other tree measurements in Dinosaur National Monument. On the left, tree diameter is measured and on the right, cone dispersion is measured. (Credit: Becky Brice, USGS)

Sources/Usage

All volunteers' likeness used with permission.