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These 6 photos form a panorama of Calumet, showing shafts on Calumet Hecla conglomerate and Osceola amygdaloidal. Photo 190b, shows barely distinct buildings and land between Red Jacket Shaft and Calumet Shafts nos. 5 and 6. Houghton County, Michigan. Circa 1922. Plate 75-D in U.S. Geological Survey. Professional paper 144. 1929.
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Shafts on Kearsarge lode, looking north from Centennial; photos form a panorama. Houghton County, Michigan. Circa 1922. Plate 75-A in U.S. Geological Survey. Professional paper 144. 1929.
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Texture and alteration of Calumet Hecla conglomerate lode: underground view of lode. Michigan. Circa 1922. Plate 72-D in U.S. Geological Survey. Professional paper 144. 1929.
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These 6 photos form a panorama of Calumet, showing shafts on Calumet Hecla conglomerate and Osceola amygdaloidal. Photo 190d: shows as chimneys on the horizon; Hecla shaft no. 6 and Osceola shaft no. 14. Houghton County, Michigan. Circa 1922. Plate 75-D in U.S. Geological Survey. Professional paper 144. 1929.
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These 6 photos form a panorama of Calumet, showing shafts on Calumet Hecla conglomerate and Osceola amygdaloidal. Photo 190c: shows as chimneys on the horizon; Calumet Shafts nos. 5 and 6, Calumet shaft no.2 and Osceola shaft no.15. Houghton County, Michigan. Circa 1922. Plate 75-D in U.S. Geological Survey. Professional paper 144. 1929.
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Shafts on Kearsarge lode, looking north from Centennial; photos form a panorama. Houghton County, Michigan. Circa 1922. Plate 75-A in U.S. Geological Survey. Professional paper 144. 1929.
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Form a panorama of North Bluff and shafts and dumps of Calico and Minesota lode. Ontonagon County, Michigan. Circa 1922. Plate 75-C in U.S. Geological Survey. Professional paper 144. 1929.
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These 6 photos form a panorama of Calumet, showing shafts on Calumet Hecla conglomerate and Osceola amygdaloidal. Photo 190a, extreme left of panorama shows Tamarack shaft no. 5; North Tamarack and Red Jacket shaft. Houghton County, Michigan. Circa 1922. Plate 75-D in U.S. Geological Survey. Professional paper 144. 1929.
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These 6 photos form a panorama of Calumet, showing shafts on Calumet Hecla conglomerate and Osceola amygdaloidal. Photo 190e: shows location on the horizon of; Hecla shaft no. 7 (left and of chimney) and (right) Hecla shaft no. 8 and Hecla shafts nos. 9 and 10 the distinct building at right. Houghton County, Michigan. Circa 1922. Plate 75- D in U.S. Geological Survey. Professional paper 144. 1929.
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Form a panorama of North Bluff and shafts and dumps of Calico and Minesota lode. Ontonagon County, Michigan. Circa 1922. Plate 75-C in U.S. Geological Survey. Professional paper 144. 1929.
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These 6 photos form a panorama of Calumet, showing shafts on Calumet Hecla conglomerate and Osceola amygdaloidal. Photo 190f: extreme right of panorama, shows location on the horizon of; Osceola shaft no. 6. Houghton County, Michigan. Circa 1922. Plate 75-D in U.S. Geological Survey. Professional paper 144. 1929.
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Ridges produced by resistant flow, Greenstone Bluff, south of Phoenix, Keweenaw County, Michigan. Circa 1922. Plate 53-A in U.S. Geological Survey. Professional paper 144. 1929.
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Form a panorama of North Bluff and shafts and dumps of Calico and Minesota lode. Ontonagon County, Michigan. Circa 1922. Plate 75-C in U.S. Geological Survey. Professional paper 144. 1929.