Annotated bibliography of Pennsylvania geology ; supplement to 1969.
| Main Author: | |
|---|---|
| Format: | Book |
| Language: | English |
| Published: |
Harrisburg :
Dept. of Environmental Resources, Bureau of Topographic and Geologic Survey,
1972.
|
| Series: | General geology report ;
61. |
| Subjects: |
| Item Description: | "Pennsylvania Geological survey fourth series." |
|---|---|
| Physical Description: | 345 pages : map. |