Photograph showing a section of dolomite exhibiting cryptozoa. Taken in a quarry near Marquette, in Michigan's Upper Peninsula.
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.
Photograph showing banded rock at Twin Falls on the Menominee River.
Quarry south of Marquette; kona dolomite showing cryptozoa.
Photograph looking east along strike at rock forming main barrier of Cedar Portage rapids. Shows southward dip of about 70 degrees.
Photograph looking north to quartzite wall on north side of pool below lower drop, shows west-pitching fluting and eastward pitching jointing.
Shale from Eagle River section, very fine grained decomposed trap rock .
View northwest over the stripping dumps in the Wakefield pit.
Contact of cambrian and peridotite on Presque Isle.
Photograph of bedding in the ore in the north side of the Wakefield pit.
Ulrich sitting in a field north of Negaunee.
Photograph looking north to north bank of the Menominee River from top of south bank, showing terraces.
Castle Rock, three miles north of St. Ignace.
View east in the Wakefield pit.
Photograph showing pot holes above first drop at Peavy Falls on the Michigamme River.