Guidebook to the geology about Pittsburgh.
| Main Author: | |
|---|---|
| Format: | Book |
| Language: | English |
| Published: |
Harrisburg,
[publisher not identified] ;
1947
|
| Edition: | 2d ed. |
| Series: | Bulletin (Pennsylvania. Bureau of Topographic and Geologic Survey) ;
G17. |
| Subjects: |
Search Result 1
