• Large kettle in abandoned farm field

    Photograph showing a large kettle in a potato field on an abandoned farm. The farm's buildings are seen in the background at center, and a car is seen parked along a road in the foreground.

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  • Road cut through drumlin

    Photograph showing a road cut through a drumlin. A car is seen parked in the road at left. In field notes, Thwaites observes that the till in this cut contains few boulders compared to other till in t…

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  • Brinkman Hill

    Photograph showing contact of Jordan sandstone and Madison sandstone along a road on Brinkman Hill, near Coon Valley, Wisconsin. A car is seen parked on the side of the road at right. Taken at the sam…

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  • Bullhead Lake

    Photograph showing a view west over Bullhead Lake. The geologists' car is seen in the foreground for scale, and Butler rock, a ridge of Waupee Volcanics is visible in the background at left.

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  • Esker gravels

    Photograph showing gravel in a road cut through an esker. A car parked alongside the road is seen at right.

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  • Brinkman Hill

    Photograph showing contact of Jordan sandstone and Madison sandstone along a road on Brinkman Hill, near Coon Valley, Wisconsin. A car is seen parked on the side of the road at left.

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  • Cars at Ironton Mine

    Photograph showing (left to right) geologists Ira Edwards and W.O. Hotchkiss standing near a car and a truck parked at Ironton Mine. A third man, possibly geologist F.T. Thwaites, is seen kneeling nex…

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  • Brinkman Hill

    Photograph showing contact of Jordan sandstone with Madison sandstone along a road on Brinkman Hill, near Coon Valley, Wisconsin. A car is seen parked on the side of the road at right. Same view as ph…

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  • St. Lawrence hills near Melrose

    Photograph showing hills of St. Lawrence limestone near Melrose, Wisconsin. Several farms and a car driving along a road are visible.

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  • Drumlin topography

    Panoramic set of two photographs showing drumlin topography in southwestern Shawano County, Wisconsin. At left, car is seen parked along a road in the foreground and several farms are visible in the b…

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  • Flat terrace in outwash

    Photograph showing a flat, sandy area in an outwash terrace. Numerous tree stumps visible throughout the scene are a result of recent logging. A car seen parked at center is used for scale.

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  • Kame - Union, IA

    Photograph showing a cut through a kame near Union, Iowa composed of layered till, silt, gumbotil, gravel and loess. An unidentified geologist is seen standing at right for scale, and, also at right,…

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  • Possible drumlin

    Photograph showing a view northeast toward a feature that, according to field notes, is possibly a drumlin. The upper portion of a car is visible in the foreground.

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  • Terrace sand

    Photograph showing terrace sand. The back end of the geologists' truck protrudes into the right side of the photo.

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  • Road cut in kame gravel

    Photograph showing a road cut through bouldery kame gravel. A car is seen parked along the road at left.

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