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200 10$aCharacteristic Jurassic mollusks from northern Alaska /$fby Ralph W. Imlay
210  1$aWashington :$cUnited States Department of the Interior, Geological Survey,$d1955.
215   $a1 online resource (33 unnumbered pages, 5 unnumbered pages of plates) $cmap +$e1 plate
225 1 $aGeological Survey professional paper ;$v274-D
225 1 $aShorter contributions to general geology
300   $aTitle from title screen (viewed September 26, 2014).
300   $a"A study showing that the northern Alaskan faunal succession agrees with that elsewhere in the Boreal region and in other parts of North America and in northwest Europe."
320   $aIncludes bibliographical references (pages 92-93) and index.
606   $aMollusks, Fossil$zAlaska
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607   $aNorth Slope (Alaska)
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300   $aPublished: London : Geological Society of London, <1994->
311 08$aPrint version: Geological Society special publication. (DLC)sn 91010289 (OCoLC)13256989 0305-8719 
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