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Preliminary paper on an investigation of the Archæan formations of the northwestern states / by Roland D. Irving.
LIBRA 557.71 Ir84.2
Available from offsite location
- Format:
- Book
- Author/Creator:
- Irving, Roland Duer, 1847-1888.
- Language:
- English
- Subjects (All):
- Geology, Stratigraphic--Archaean.
- Geology, Stratigraphic.
- Geology--Northwestern States.
- Geology.
- Physical Description:
- pages 175-242, 10 leaves of plates (part. color, including double map) : illustrations ; 31 cm
- Place of Publication:
- Washington : Government Printing Office, 1885.
- Notes:
- Extract from the 5th report of the director of the U.S. Geological Survey, 1883-84.
- Title from cover.
- At head of title: Department of the Interior. U. S. Geological Survey.
- OCLC:
- 11836143
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