• Dolomite

    Hotchkiss, W.O

    Photograph showing a section of dolomite exhibiting cryptozoa. Taken in a quarry near Marquette, in Michigan's Upper Peninsula.

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  • Banded iron

    Hotchkiss, W.O

    Photograph showing a close view of a banded iron formation on Jasper Hill, near Ishpeming, in Michigan's Upper Peninsula. A rock hammer is used for scale.

    View Full Item  in University of Wisconsin Digital Collections
  • Banded rock at Twin Falls

    Hotchkiss, W.O

    Photograph showing banded rock at Twin Falls on the Menominee River.

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  • Kona dolomite showing cryptozoa

    Hotchkiss, W.O

    Quarry south of Marquette; kona dolomite showing cryptozoa.

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  • Cedar Portage Rapids

    Hotchkiss, W.O

    Photograph looking east along strike at rock forming main barrier of Cedar Portage rapids. Shows southward dip of about 70 degrees.

    View Full Item  in University of Wisconsin Digital Collections
  • Banded iron

    Hotchkiss, W.O

    Photograph showing a close view of a banded iron formation on Jasper Hill, near Ishpeming, in Michigan's Upper Peninsula. A rock hammer is used for scale.

    View Full Item  in University of Wisconsin Digital Collections
  • Dolomite

    Hotchkiss, W.O

    Photograph showing a section of dolomite exhibiting cryptozoa. Taken in a quarry near Marquette, in Michigan's Upper Peninsula.

    View Full Item  in University of Wisconsin Digital Collections
  • Quartzite at Peavy Falls

    Hotchkiss, W.O

    Photograph looking north to quartzite wall on north side of pool below lower drop, shows west-pitching fluting and eastward pitching jointing.

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  • Shale from Eagle River

    Hotchkiss, W.O

    Shale from Eagle River section, very fine grained decomposed trap rock .

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  • Wakefield pit

    Bradt, H.H

    View northwest over the stripping dumps in the Wakefield pit.

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  • Presque Isle

    Hotchkiss, W.O

    Contact of cambrian and peridotite on Presque Isle.

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  • Wakefield pit

    Bradt, H.H

    Photograph of bedding in the ore in the north side of the Wakefield pit.

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  • Ulrich, north of Negaunee

    Hotchkiss, W.O

    Ulrich sitting in a field north of Negaunee.

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  • Presque Isle

    Hotchkiss, W.O

    Contact of cambrian and peridotite on Presque Isle.

    View Full Item  in University of Wisconsin Digital Collections
  • Terraces on Menominee River

    Hotchkiss, W.O

    Photograph looking north to north bank of the Menominee River from top of south bank, showing terraces.

    View Full Item  in University of Wisconsin Digital Collections
  • Banded iron

    Hotchkiss, W.O

    Photograph showing a close view of a banded iron formation on Jasper Hill, near Ishpeming, in Michigan's Upper Peninsula. A rock hammer is used for scale.

    View Full Item  in University of Wisconsin Digital Collections
  • Dolomite

    Hotchkiss, W.O

    Photograph showing a section of dolomite exhibiting cryptozoa. Taken in a quarry near Marquette, in Michigan's Upper Peninsula.

    View Full Item  in University of Wisconsin Digital Collections
  • Castle Rock

    Hotchkiss, W.O

    Castle Rock, three miles north of St. Ignace.

    View Full Item  in University of Wisconsin Digital Collections
  • Wakefield pit

    Bradt, H.H

    View east in the Wakefield pit.

    View Full Item  in University of Wisconsin Digital Collections
  • Pot holes at Peavy Falls

    Hotchkiss, W.O

    Photograph showing pot holes above first drop at Peavy Falls on the Michigamme River.

    View Full Item  in University of Wisconsin Digital Collections
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