Pierre Shale (Q7192447)
geological formation of Upper Cretaceous rocks in North America
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aliases Pierre Shale (Kanada a Spojené státy americké : souvrství)
description geological formation of Upper Cretaceous rocks in North America

External Links
(P244) sh2015000480
(P646) /m/043nzqv
(P691) ge1147578
(P1417) topic/Pierre-Shale
(P6202) Pierre_9624
(P8189) 987007409252705171