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PANGAEA Documentation
Molengraaff, G. A. F.
(1922)
On manganese nodules in Mesozoic deep-sea deposits of Dutch Timor ,
Bremerhaven,
Proceedings of the Royal Academy of Amsterdam
.
hdl:10013/epic.46198
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PANGAEA Documentation
Pardee, J.
(1922)
Data for: Deposits of manganese ore in Montana, Utah, Oregon, and Washington ,
Reston (Virginia),
US Geological Survey
.
hdl:10013/epic.46455
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