Geology and mineral resources of the Quakertown-Doylestown district, Pennsylvania and New Jersey / by F. Bascom [and others]
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| Main Author: | |
|---|---|
| Other title: | Quakertown-Doylestown district, Pennsylvania and New Jersey. |
| Format: | Government Document Book |
| Language: | English |
| Published: |
Washington :
U.S. G.P.O.,
1931.
|
| Series: | Bulletin (Geological Survey (U.S.)) ;
no. 828. |
| Subjects: |