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The geologic time classification of the United States Geological Survey compared with other classifications, accompanied by the original definitions of era, period and epoch terms / a compilation by M. Grace Wimarth.
- Format:
- Book
- Government document
- Author/Creator:
- Wilmarth, M. Grace (Mary Grace), 1866-1949, compiler.
- Series:
- Bulletin (Geological Survey (U.S.)) ; no. 769.
- Bulletin / Department of the Interior, United States Geological Survey ; 769
- Language:
- English
- Subjects (All):
- Geology, Stratigraphic.
- Geological time.
- Physical Description:
- 1 online resource (vi, 138 pages).
- Distribution:
- Washington : Government Printing Office
- Place of Publication:
- [Washington, D.C.] : Department of the Interior, United States Geological Survey, 1925.
- Notes:
- Includes bibliographical references and index.
- Electronic reproduction. [Place of publication not identified] : HathiTrust Digital Library, 2010.
- Print version record.
- Other Format:
- Print version: Wilmarth, M. Grace (Mary Grace), 1866-1949. Geologic time classification of the United States Geological Survey compared with other classifications, accompanied by the original definitions of era, period and epoch terms.
- OCLC:
- 594192721
- Access Restriction:
- Use copy Restrictions unspecified
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