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Subject: "Geology."
Language: Is
Is Is Not
English
Subject (Era): Is
Is Is Not
From 280 to 310 million years ago
Subject: Is
Is Is Not
Coal

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Online Results (3)
1.
Geology of the Pennsylvanian system of Georgia
Author
Crawford, Thomas J.
Published
Atlanta : Dept. of Natural Resources, Environmental Protection Division, Georgia Geologic Survey, 1989.
Location
SML, Folio Collection (Non-circulating) >> Folio QE673 .C72x 1989 (LC)
Format
Maps & GIS
2.
Palynology of selected coal beds in the proposed Pennsylvanian System stratotype in West Virginia
Author
Kosanke, Robert M. (Robert Max)
Published
Washington : United States Department of the Interior, Geological Survey, 1984.
Online
https://purl.fdlp.gov/GPO/gpo92770
Location
Yale Internet Resource >> None
Format
Books / Online
3.
Palynological studies of Middle Pennsylvanian coal beds of the proposed Pennsylvania System stratotype in West Virginia
Author
Kosanke, Robert M. (Robert Max)
Published
[Reston, Virginia] : Department of the Interior, U.S. Geological Survey, [1988]
Online
https://purl.fdlp.gov/GPO/gpo151814
Location
Yale Internet Resource >> None
Format
Books / Online
4.
Palynological studies of the coals of the Princess reserve district in northeastern Kentucky
Author
Kosanke, Robert M. (Robert Max)
Published
Washington : United States Department of the Interior, Geological Survey, 1973.
Online
http://purl.fdlp.gov/GPO/gpo88722
Location
Yale Internet Resource >> None
Format
Books / Online