• Trenton escarpment

    Thwaites, F.T

    Photograph showing a view toward an escarpment in theTrenton limestone southeast of Hudson, Wisconsin.

    View Full Item  in University of Wisconsin Digital Collections
  • Trenton escarpment

    Thwaites, F.T

    Photograph showing a view toward an esacarpment in the Trenton limestone northwest of the Fuller family farm.

    View Full Item  in University of Wisconsin Digital Collections
  • Lower Magnesian escarpment

    Thwaites, F.T

    Photograph showing a view toward an escarpment in the Lower Magenesian limestone south of Hudson, Wisconsin, on a fault line.

    View Full Item  in University of Wisconsin Digital Collections