Science Source Feb 2010
EN_90286490_0158
![Science Source Feb 2010](img/medium/arch1/dvd0113/21/EN_90286490_0158.jpg)
Canadian Shield river sand (from the Rideau River), consisting of sharp grains which are light and dark in color. SEM. Width 2.5 mm. 13x.
2010-02-13
EAST NEWS
Science Source
Scimat
3u2326
1,6MB
28cm x 18cm by 300dpi
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