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Thickness of Upper Cretaceous rocks from the base of the Niobrara Formation to the top of the Frontier Formation, including the Carlile Shale, Greenhorn Formation, and Sage Breaks Shale, Powder River basin, Wyoming and Montana

Open-File Report 87-340-L

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Abstract

Additional Publication Details

Publication type:
Report
Publication Subtype:
USGS Numbered Series
Title:
Thickness of Upper Cretaceous rocks from the base of the Niobrara Formation to the top of the Frontier Formation, including the Carlile Shale, Greenhorn Formation, and Sage Breaks Shale, Powder River basin, Wyoming and Montana
Series title:
Open-File Report
Series number:
87-340
Chapter:
L
Edition:
-
Year Published:
1987
Language:
ENGLISH
Description:
1 map : photocopy ; 55 x 55 cm., on sheet 78 x 79 cm.