St. Peter or Potsdam conglomerate of quartzite boulders in sandstone matrix. Portland Township, Dodge County, Wisconsin, 1903.
Dates
Date Taken
1903-10-17
Summary
Album caption: Basal conglomerate on north slope of Waterloo quartzite at horizon of St. Peter sandstone, roadside gully in sec. 27, Portland Township, Dodge County, Wisconsin. October 17, 1903. Plate 9-B in U.S. Geological Survey. Professional paper 106. 1918.
Summary
Album caption: Basal conglomerate on north slope of Waterloo quartzite at horizon of St. Peter sandstone, roadside gully in sec. 27, Portland Township, Dodge County, Wisconsin. October 17, 1903. Plate 9-B in U.S. Geological Survey. Professional paper 106. 1918.
Available in the U.S. Geological Survey Denver Library Photographic Collection, Alden, W.C. Collection.
Rights
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