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Dundee limestone at Sibley quarry, stripped of its covering of drift. The rock surface is smoothed, grooved and striated by an ice sheet, probably Illinoian.
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Album caption: Quarry in Trenton Limestone near C. & N. W. Railway north of Beloit. N1/2, sec. 23, T. 1 N., R. 12 E. Janesville quadrangle. Rock County, Wisconsin. August 22, 1901. Handwritten note on album caption: No Negative 07/24/2012.


    map background search result map search result map Quarry in Trenton Limestone near C. & N. W. Railway north of Beloit. Rock County, Wisconsin. 1901. Quarry in Trenton Limestone near C. & N. W. Railway north of Beloit. Rock County, Wisconsin. 1901.