Oil and gas data from the Upper and Middle Ordovician rocks in the Appalachian Basin:
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Bibliographic Details
Format: Map
Language:English
Published: Reston, Va. U.S. Geological Survey 1975
Series:United States Geological Survey: Miscellaneous investigations series I-917-C
Subjects:
Item Description:Enth. u.a.: Thickness and extent of the Upper and Middle Ordovician rocks. Structure map on the top of the Ordovician rocks
Physical Description:5 Kt. auf 3 Bl. zweifarb. je Bl. 86 x 102 cm, gefaltet

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