From:
http://climchange.cr.usgs.gov/data/midden/f5_midden.jpeg. Original caption states: "A massive complex Pleistocene packrat midden (in the alcove in the center of the image) in a cave in eastern Nevada. Click to view a larger image."
From: http://climchange.cr.usgs.gov/data/midden/f5_midden.jpeg. Original caption states: "A massive complex Pleistocene packrat midden (in the alcove in the center of the image) in a cave in eastern Nevada. Click to view a larger image."
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