| Title: | McCalls Ferry quadrangle, Penna |
| Alternate title: | Rocks of the McCalls Ferry quadrangle, Penna. |
| Author: | Jonas, Anna I. (Anna Isabel), 1881-1974 |
| Author: | Pennsylvania. Bureau of Topographic and Geologic Survey |
| Note: | Bureau of Topographic and Geological Survey, 1923 |
| Link: | page images at HathiTrust |
| No stable link: | This is an uncurated book entry from our extended bookshelves, readable online now but without a stable link here. You should not bookmark this page, but you can request that we add this book to our curated collection, which has stable links. |
| Subject: | Geology, Structural |
| Subject: | Geology, Structural -- Pennsylvania |
| Subject: | Pennsylvania |
| Subject: | Rocks |
| Other copies: | Look for editions of this book at your library, or elsewhere. |
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