Coal resources of Clarion County, Pennsylvania /
| Main Author: | |
|---|---|
| Corporate Author: | |
| Format: | Government Document Book |
| Language: | English |
| Published: |
Harrisburg :
Commonwealth of Pennsylvania, Dept. of Environmental Resources, Office of Resources Management, Bureau of Topography and Geologic Survey,
1987-
|
| Series: | Mineral resource report ;
92, pt. 1, etc. |
| Subjects: |
Table of Contents:
- pt. 1. Coal crop lines, mined-out area, and structure contours