Geologist, paleontologist /
| Main Author: | |
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| Corporate Author: | |
| Format: | Government Document Book |
| Language: | English |
| Published: |
Washington, D.C. :
U.S. Dept. of Health, Education, and Welfare, Office of Education,
[1957]
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| Series: | Guide lines
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| Subjects: |
| Item Description: | "December 1957." |
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| Physical Description: | 5 p. ; 21 cm |