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Glass bead is 200µ in diameter |
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Location:
Shore of the Wouri river (25 km from the Atlantic ocean), City of Douala (long. 9 42'; Lat. 4 3'), Cameroon.
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...
| | |
Glass bead is 200µ in diameter |
...
|
|
Shore of the Wouri river (25 km from the Atlantic ocean), City of Douala (long. 9 42'; Lat. 4 3'), Cameroon.
...
