The Martinsburg Formation (middle and upper Ordovician) in the Delaware Valley, Pennsylvania-New Jersey

An edition of The Martinsburg Formation (middle and upper Ordovician) in the Delaware Valley, Pennsylvania-New Jersey (1967)

The Martinsburg formation (Middle and Upper Ordovician) in the Delaware Valley, Pennsylvania-New Jersey

By Avery Ala Drake

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Publish Date

1967

Publisher

U.S. Govt. Print. Off.

Language

eng

Pages

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