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KU Leuven (5)


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book (5)


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English (5)


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1976 (1)

1964 (1)

1955 (1)

1946 (1)

1943 (1)

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Book
Floras of the Pocono formation and Price sandstone in parts of Pennsylvania, Maryland, West Virginia, and Virginia.
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Year: 1955 Publisher: Washington (D.C.) US. Government printing office

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A Pennsylvanian florule from the Forkston coal in the Dutch Mountain outlier, northeastern Pennsylvania.
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Year: 1946 Publisher: Washington (D.C.) US. Government printing office

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Low Pennsylvanian species of Mariopteris, Eremopteris, Dilothmema, and Aneimites from the Appalachian region
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Year: 1943 Publisher: Washington (D.C.) US. Government printing office

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North American species of Tempskya and their stratigraphic significance. With a section on stratigraphy and age of the Tempsjya-bearing rocks of southern Hidalgo County, New Mexico
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Year: 1976 Publisher: Washington (D.C.): US. Government printing office

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Upper Paleozoic floral zones and floral provinces of the United States
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Year: 1964 Publisher: Washington (D.C.) US. Government printing office

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