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Set of 12 color slides in 1 box labeled "Geology Extr." Part of the Cal R. Fremling collection. Slides are mostly unlabeled and not numbered consecutively. Exact location and creation dates are unknown. Some slides based on pictures taken by Fremling, others taken by other unknown creators and used for educational illustrative purposes (noted with "Photograph/art print/etc of"). Slides show geologic diagrams of the Winona area, geologic maps, photographs of fossils, . Most are duplicates of previous boxes/containers in collection. Known slide print dates are 1984, others unknown.
Biologists; Science; Upper Mississippi River; Geology; Minnesota Maps
Fremling, Cal R., "Geology extras slides" (1984). Cal Fremling Slides. 19.