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[[stamped]] 0763 [[/stamped]] [[left margin encircled]] 9 [[/left margin encircled]] Koch School [[image - drawing of geologic column]] _______ 3' + | Kimmswick _______| { 7' | Shaly ls., shale, yellow weathering with Zygspira, {______| Rafinesquina, Pionodema {1 1/2'| Heavy-bedded ls. packed with Pionodema {______| {4' | Platy ls. shale partings Zygospira Rafinesquina Zygospira, {______| Pionodema Sowerbyella {2' | Hard heavy-bedded ls. packed with Pionodema. {______| {5-6' | Green shale many bryozoa {[[wavy line]] [[left margin]] Slab taken - [[line pointing to column with 1 1/2']] [[written vertically]] Decoral [[/written vertically]] [[/left margin]] Abundance of Rafinesquina, Zygospira and Pionodema with large Sowerbyella date this as Guttenberg. It looks to me like the beds just overlying the Spechts Ferry in Wisconsin.