Author: | Moebs, Noel N. |
---|---|
Year: | 1981 |
Document Type: | BMRA |
Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
SUDOC: | I 28:23 |
Series: | Report of investigations / United States. Bureau of Mines ; |
Report Number: | 8555 |
Subject: | Coal--Geology--Pennsylvania |
Link: | https://hdl.handle.net/2027/mdp.39015078473652 |