Filters: Tags: Ophir district, Yukon region, Alaska (X)

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Rough bed rocks and boulder piled in pit. Ophir district, Yukon region, Alaska. 1904. Rough bed rocks and boulder piled in pit. Ophir district, Yukon region, Alaska. September 1904. Plate 9-B in U.S. Geological Survey. Bulletin 263. 1905. Categories: Image; Tags: Ophir district, Yukon region, Alaska, Paige, Sidney collection, Photographers, photo print Open-cut worked by tramming to bedrock sluices. Ophir district, Yukon region, Alaska. 1904. Open-cut worked by tramming to bedrock sluices. Ophir district, Yukon region, Alaska. September 1904. Plate 27-B in U.S. Geological Survey. Bulletin 263. 1905. Categories: Image; Tags: Ophir district, Yukon region, Alaska, Paige, Sidney collection, Photographers, photo print Flume of Hot Air Company, Ophir Creek, Ophir district. Yukon region, Alaska. 1904. Flume of Hot Air Company, Ophir Creek, Ophir district, Yukon region, Alaska. September 1904. Plate 20-B in U.S. Geological Survey. Bulletin 263. 1905. Categories: Image; Tags: Ophir district, Yukon region, Alaska, Paige, Sidney collection, Photographers, photo print Pier for trestle Hot Air ditch on Ophir Creek. Ophir district, Yukon region, Alaska. 1904. Pier for trestle Hot Air ditch on Ophir Creek. Ophir district, Yukon region, Alaska. September 1904. Plate 21-A in U.S. Geological Survey. Bulletin 263. 1905. Categories: Image; Tags: Ophir district, Yukon region, Alaska, Paige, Sidney collection, Photographers, photo print Sluice below elevator, Ophir Creek. Ophir district, Yukon region, Alaska. 1904. Sluice below elevator, Ophir Creek. Ophir district, Yukon region, Alaska. September 1904. Plate 25-A in U.S. Geological Survey. Bulletin 263. 1905. Categories: Image; Tags: Ophir district, Yukon region, Alaska, Paige, Sidney collection, Photographers, photo print