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100   $a20170331d1953----km y0itay50      ba
101 0 $aeng
102   $aUS
120   $ab        aa  
121   $aa  aa    
123 1 $aa$b1:2027520$do0932000$eo0663000$fn0490000$gn0373000
200 1 $a<<The >>Great Lakes region of the United States and Canada$bDocumento cartografico$fcompiled and drawn in the Cartographic Division of the National Geographic Society for the National Geographic Magazine$gGilbert Grosvenor (ed.)
206   $a1:2027520 (O93°20'-O66°30'/N49°-N37°30')
210   $aWashington$cNational Geographic Society$d1953
215   $a1 carta$ccolor., ripieg.$d70 x 100 cm
300   $aNell'angolo a destra in basso 4 piccole carte: Illinois waterway Lake Michigan to Lockport ; Welland Canal, lake Ontario to lake Erie ; St. Marys river, lakeHuron to lake Superior ; Detroit and St. Clair rivers, lake Erie to Lake Huron
540 1 $aIllinois waterway Lake Michigan to Lockpor
540 1 $aWelland Canal, lake Ontario to lake Erie
540 1 $aSt. Marys river, lakeHuron to lake Superior
540 1 $aDetroit and St. Clair rivers, lake Erie to Lake Huron
610 0 $aAmerica settentrionale$aCarte
702  1$aGrosvenor,$bGilbert
712 02$aNational Geographic Society
801  0$aIT$bUNINA$gRICA$2UNIMARC
901   $aMP
912   $a9910274960503321
952   $aCons.3 Atl.1 Carte sciolte 050(06)$bIst. s.i.$fILFGE
959   $aILFGE
996   $aGreat Lakes region of the United States and Canada$91506043
997   $aUNINA