Field trips ; ecology for youth leaders / Photos. by Helen Nestor.
| Author/creator | Nickelsburg, Janet |
| Format | Book |
| Publication Info | Minneapolis : Burgess Pub. Co., [1966] |
| Description | i, 120 pages : illustrations ; 23 cm |
| Subjects |
| Bibliography note | Bibliography: p.109-116. |
| LCCN | 66014520 |