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  2. Quincy Dredge Number Two - Wikipedia

    en.wikipedia.org/wiki/Quincy_Dredge_Number_Two

    The dredge could process over 10,000 short tons (9,100 t) of sand per day, and had a 141-foot (43 m) suction pipe that could work in 115 feet (35 m) of water. [2] The dredge is currently sunk into shallow water, and canted over to one side. [4] Most of the superstructure and the large boom are visible above the waterline. [4]

  3. List of quarries in the United States - Wikipedia

    en.wikipedia.org/wiki/List_of_quarries_in_the...

    Tataga-Matau Fortified Quarry Complex (AS-34-10), near the village of Leone on Tutuila in American Samoa, NRHP-listed, "a complex consisting of a series of basalt quarries and structures that archaeologists have interpreted as having a military defensive purpose. The site has been known since at least 1927, and was first formally surveyed in ...

  4. Stamp sand - Wikipedia

    en.wikipedia.org/wiki/Stamp_sand

    Stamp sand, photographed near Houghton, MI. Stamp sand is a coarse sand left over from the processing of ore in a stamp mill. [1] In the United States, the most well-known deposits of stamp sand are in the Copper Country of the Upper Peninsula of Michigan, where it is black or dark gray, and may contain hazardous concentrations of trace metals.

  5. List of mines in Michigan - Wikipedia

    en.wikipedia.org/wiki/List_of_mines_in_Michigan

    Name County Years Material Coordinates Adventure mine: Ontonagon: 1850–1920: copper: Alabastine Mine: Kent: 1907– gypsum: Arcadian mine: Houghton: 1898–1908: copper

  6. List of dams and reservoirs in Michigan - Wikipedia

    en.wikipedia.org/wiki/List_of_dams_and...

    Following is a list of dams and reservoirs in Michigan. Major dams are linked below. The National Inventory of Dams defines any "major dam" as being 50 feet (15 m) tall with a storage capacity of at least 5,000 acre-feet (6,200,000 m 3 ), or of any height with a storage capacity of 25,000 acre-feet (31,000,000 m 3 ).

  7. 2024 frac sand supplies looking good - AOL

    www.aol.com/2024-frac-sand-supplies-looking...

    Nov. 30—Except for the oil and natural gas themselves, one of the oilfield's hottest commodities these days is the sand used to fracture or "frac" the bedrock formations and loosen them up for ...

  8. Sand mining - Wikipedia

    en.wikipedia.org/wiki/Sand_mining

    A process known as elutriation is used, whereby flowing water separates the grains based on their size, shape, and density. Sand mining is a direct cause of erosion, and impacts the local wildlife. [6] Various animals depend on sandy beaches for nesting clutches, and mining has led to the near extinction of gharials (a species of crocodilian ...

  9. Gogebic Range - Wikipedia

    en.wikipedia.org/wiki/Gogebic_Range

    The Gogebic Range is an elongated area of iron ore deposits located within a range of hills in northern Michigan and Wisconsin just south of Lake Superior. It extends from Lake Namakagon in Wisconsin eastward to Lake Gogebic in Michigan, or almost 80 miles.

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