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Fig. 3<br />
128<br />
EVOLUTION DU TRAFIC DES DIFFERENTS PORTS<br />
DES COTES DU NORD DE 1950 A 1976<br />
Milliers de tonnes<br />
10001-r---------------------...:.:.::..::..:...::.....:..::..-::..::..:...:....:...:---.::l000<br />
500<br />
400<br />
150<br />
100<br />
70<br />
50<br />
5<br />
LE LEGUE _.J<br />
0- Niveau du tonnage en 1938<br />
o'.pres R,MOl5AN<br />
500<br />
400<br />
200<br />
150<br />
70<br />
50<br />
(j<br />
20<br />
15<br />
10<br />
5
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