| Title: | Identification of tree species on large-scale panchromatic and color aerial photographs / by R.C. Heller, G.E. Doverspike, and R.C. Aldrich. |
| Author: | Heller, Robert Chester, 1918- |
| Author: | Aldrich, Robert Clement, 1922- |
| Author: | Doverspike, George E. |
| Note: | U.S. Dept. of Agriculture, Forest Service, 1964 |
| 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: | Aerial photography in forestry |
| Subject: | Photographic interpretation |
| Subject: | Trees -- Minnesota -- Ely -- Identification |
| Other copies: | Look for editions of this book at your library, or elsewhere. |
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