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Minerals of Wisconsin Postcards (set of 4)
Set of 4 postcards featuring exquisite specimens of phenakite, galena, marcasite, and chalcocite. (To learn more about these and other minerals, visit our Minerals of Wisconsin database.)-
Minerals of Wisconsin
2015
Item: 4 in x 6 in, set of 4 cards (phenakite, galena, marcasite, chalcocite)
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Landscapes of Wisconsin Postcard
Postcard showing Wisconsin in shaded relief. Also available as a poster and page-size map. -
Wisconsin Rocks (set of 6 cards)
Trading cards profile five rocks (dolomite, granite, quartzite, shale, and sandstone) and one fossil (trilobite). Learn when and how the rocks formed, how the trilobite lived, plus a handful of interesting facts for each. -
Rock County Slide Set: What You Should Know About Ground Water and Its Quality
Open-file report; contains unpublished data that has not yet been peer-reviewed.-
Rock County Slide Set: What You Should Know About Ground Water and Its Quality
1982
Item: 100 slides + 12 p. explanatory text
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