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A map that shoes the locations of tree-ring study sites used to reconstruct the Colorado River. Site J9 is in the lower righthand corner
Originally uploaded in TREX - Tree Ring Expeditions:TREX for Students:Labs.

Image 157886 is a 612 by 772 pixel WebP
Uploaded: Jun29 17

Last Modified: 2017-06-29 13:29:02
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