Geologic structure map of the northwestern Illinois zinc-lead district /: by J. C. Bradbury, R. M. Grogan [and] R. J. Cronk.

Geologic structure map of the northwestern Illinois zinc-lead district / by J. C. Bradbury, R. M. Grogan [and] R. J. Cronk.

1956

QE105 .A45 no.214 (Mapit)

Available at General Collection

Formats

Title

Geologic structure map of the northwestern Illinois zinc-lead district / by J. C. Bradbury, R. M. Grogan [and] R. J. Cronk.

Author

Published

Urbana : [publisher not identified], 1956.

Language

English

Description

7 pages ; 26 cm.

Call Number

QE105 .A45 no.214

Note

Cover title.

Bibliography, etc. Note

Bibliography: p. 7.

Added Corporate Author

Series

Circular (Illinois State Geological Survey) ; 214.

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