Add to ORKGSet of 22 color slides in 1 box labeled Extra Lakes, Frost, Ice. 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 subjects including: Lake Winona (all seasons), water flow, oil pollution (1979 Lake Winona oil spill), Fremling and students, snowflake (microscopic view), ice close-ups, ice samples, Winona winter landscape, and snow and ice formations around water, trees and plants. Most slides are similar to (but not duplicates of) slides found in other box...