Geology and mineral resources of the Butler and Zelienople quadrangles, Pennsylvania /
| Main Author: | |
|---|---|
| Format: | Government Document eBook |
| Language: | English |
| Published: |
[Washington, D.C.] :
United States Department of the Interior, Geological Survey,
1936.
|
| Series: | Bulletin (Geological Survey (U.S.)) ;
no. 873. |
| Subjects: | |
| Online Access: | https://purl.fdlp.gov/GPO/gpo62869 |
| Item Description: | Title from title screen (viewed July 9, 2014). |
|---|---|
| Physical Description: | 1 online resource (v, 93 pages, 8 pages of plates) : illustrations, maps (some color). |
| Bibliography: | Includes bibliographical references and index. |