Conservation yearbook series.
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| New Title: | United States Department of the Interior conservation yearbook series |
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| Previous Title: | United States. Dept. of the Interior. United States Department of the Interior conservation yearbook |
| Corporate Author: | |
| Other title: | Conservation yearbook. United States Department of the Interior environmental report |
| Format: | Government Document Serial |
| Language: | English |
| Published: |
Washington, D.C. :
United States Department of the Interior,
[1970-72]
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| Subjects: |
| Published: | No. 6-8 (1970-1972) |
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| Item Description: | Each issue has distinctive title. |
| Physical Description: | 3 volumes : illustrations ; 30 cm. |
| Publication Frequency: | Annual. |
| ISSN: | 0885-3533 0161-4983 |