| Title: | Key to the upper Devonian of southern New York. |
| Author: | Harris, Gilbert D. (Gilbert Dennison), 1864-1952 |
| Note: | Harris, 1899 |
| 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: | Devonian Geologic Period |
| Subject: | From 345 to 405 million years ago |
| Subject: | New York (State) |
| Subject: | Paleontology |
| Subject: | Paleontology -- Devonian |
| Subject: | Paleontology -- New York (State) |
| Other copies: | Look for editions of this book at your library, or elsewhere. |
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