- Publication Title:
- Helderberg Group and position of Silurian-Devonian boundary in North America [with list of references cited]; by Jean M. Berdan.
- Display Title:
- Bulletins. 1180-B. Helderberg Group and position of Silurian-Devonian boundary in North America [with list of references cited]; by Jean M. Berdan.
- Series Title:
- Bulletins.
- Corporate Agency Authors:
- Geological Survey and Interior Dept.
- Sort Author:
- Geological Survey
- Authors:
- Berdan, Jean M.
- Date:
- 1964
- Publish Date ISO Format:
- 1964-01-01T00:00:00Z
- Publication Start:
- 19640101
- Publication End:
- 19641231
- Corporate/Agency Author:
- Geological Survey
- Publication month:
- 13
- Publication year:
- 1964
- SuDoc number:
- I 19.3:(nos.)
- Description:
- iii +19 p. il.
- Notes:
- [Historical summary including review of pertinent literature. Contributions to stratigraphic paleontology.]
- Notes:
- [Historical summary including review of pertinent literature. Contributions to stratigraphic paleontology.] • Sent to Depository Libraries. Item 620
- Availability:
- * For Sale by Superintendent of Documents. Paper, 15c. and • Sent to Depository Libraries. Item 620
- GPO Item number:
- 620
- Monthly Catalog date:
- April 1964
- Monthly Catalog issue number:
- 831
- Monthly Catalog page number:
- 1
- Monthly Catalog issue date:
- 1964-04-01T00:00:00Z
- Monthly Catalog entry number:
- 6799
- Record start page number:
- 67