Geology and biology of Pennsylvania caves /
| Other Authors: | , , |
|---|---|
| Format: | Book |
| Language: | English |
| Published: |
Harrisburg :
Commonwealth of Pennsylvania, Dept. of Environmental Resources, Bureau of Topographic and Geologic Survey : may be purchased from State Book Store,
1976.
|
| Series: | General geology report ;
66. |
| Subjects: |
| Physical Description: | viii, 103 pages : illustrations ; 23 cm. |
|---|---|
| Bibliography: | Includes bibliographies. |