A study of the environmental education activities of the conservation districts of Pennsylvania /
| Main Author: | |
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| Format: | Thesis Microform Book |
| Language: | English |
| Published: |
[Place of publication not identified] :
[publisher not identified] ;
1986.
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| Subjects: |
| Item Description: | "UO 90 136." Microform. |
|---|---|
| Physical Description: | viii, 60 leaves. |
| Bibliography: | Includes bibliographical references (leaves [42]-44). |