The Glenwood beds as a horizon marker at the base of the Platteville formation,
by Arthur Bevan. Printed by authority of the state of Illinois.

Description

Main Author

Bevan, Arthur Charles, 1888-1968.

Language(s)

English

Published

Urbana, Ill., 1926.

Subjects

Geology > Geology / Illinois.
Geology, Stratigraphic > Geology, Stratigraphic / Ordovician.

Note

At head of title: State of Illinois. Department of registration and education. Division of state geological survey.

Physical Description

13 p. illus., map., tables. 25 cm.

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