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American Journal of Science
Abstract T he author refers first to the prevalent views respecting the gravels of the Valley of the Somme, namely: (1) that there are two deposits of distinct age—the upper and the lower valley-gravels; (2) that the former of these is the older; (3) that the Valley of the Somme has been excavated to the ...
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Abstract T he author refers first to the prevalent views respecting the gravels of the Valley of the Somme, namely: (1) that there are two deposits of distinct age—the upper and the lower valley-gravels; (2) that the former of these is the older; (3) that the Valley of the Somme has been excavated to the ...
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Mobilization of coarse surface layers in gravel-bedded rivers by finer gravel bed load
Water Resources Research, 2010Jeremy Venditti +2 more
exaly