At White Sands, we found drag-marks made by the ends of wooden poles while excavating for fossil footprints. Sometimes these appear as just one trace, while at other times they occur as two ...
8monon MSN
A keen eye is crucial, because fossil insects can be easily mistaken as useless pieces of rocks or other debris, and ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback