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Big Snowy and Amsden Groups and the Mississippian-Pennsylvanian boundary in Montana /

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Bibliographic Details
Main Authors: Maughan, Edwin K., 1926-1995 (Author), Roberts, Albert Eugene, 1921- (Author)
Format: Government Document eBook
Language:English
Published: Washington : U.S. Department of the Interior, Geological Survey, 1967.
Series:Geological Survey professional paper ; 554-B.
Shorter contributions to general geology ; 1966.
Subjects:
Geology > Montana.
Geology, Stratigraphic > Mississippian.
Geology, Stratigraphic > Pennsylvanian.
Geology.
Geology, Stratigraphic.
Mississippian Geologic Period.
Pennsylvanian Geologic Period.
Montana.
From 280 to 345 million years ago
Online Access:https://purl.fdlp.gov/GPO/gpo80697
Description
Item Description:Title from title screen (viewed September 24, 2014).
Also available online in PDF format from the U.S. Geological Survey Warehouse (http:/pubs.er.usgs.gov/).
"A study of the Upper Mississippian and Pennsylvanian sedimentary formations with special emphasis on their regional correlation, variation in lithology, and age assignments."
Physical Description:1 online resource (iii, B27 pages) : illustrations, maps + 4 plates.
Bibliography:Includes bibliographical references (pages B25-B27).