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. Fossils Rocks and Minerals Data and Resources ES054-set Wisconsin Rocks Wisconsin Geological and Natural History Survey; 2013 Item: Set of six cards (2.5 in x 3.5 in) Download Related Collections Educational Series View Educational Series