Search Results - "Geology North America"
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1
The Potomac formation in Virginia
Published: Govt. Print. Off., 1896Description: 5 volumes in 1 ; 24 cm.Government Document Book -
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The Bear River formation and its characteristic fauna
Published: Govt. Print. Off., 1895Description: 7 volumes in 1 : illustrations, maps, daigrs. ; 24 cm.Government Document Book