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  2. Permanente Quarry - Wikipedia

    en.wikipedia.org/wiki/Permanente_Quarry

    The cement plant at the quarry has been fueled by petroleum coke since 2007, the latter (along with the limestone itself) is a major source of mercury emissions. The cement plant was responsible for 29 percent of total Bay Area airborne mercury emissions and was shown to impact a rural site, Calero Reservoir, 20 miles (32 km) away. [86]

  3. ‘West Virginia Boys’ move a literal mountain to build a road ...

    www.aol.com/news/west-virginia-boys-move-literal...

    "The West Virginia boys have moved the mountains. All of the roads were just gone, until now. It's nothing short of miraculous," one resident told The Post.

  4. Primitive Technology - Wikipedia

    en.wikipedia.org/wiki/Primitive_Technology

    Plant has authored the 192 page, illustrated, hardcover book Primitive Technology: A survivalist's guide to building tools, shelters, and more in the wild (ISBN 9781984823670), published by Clarkson Potter on 29 October 2019. The book is "a practical guide to building huts and tools using only natural materials from the wild" containing "50 ...

  5. Concrete pavement restoration - Wikipedia

    en.wikipedia.org/wiki/Concrete_Pavement_Restoration

    CPP and CPR methods, developed over the last 40 years, are used in lieu of asphalt overlays and bituminous patches to repair roads when longer lasting solutions are desired. When installing pavers over top of an existing asphalt of concrete pad, there are three installation options: sand set, bituminous set, and mortar set. [1]

  6. The Wild North - Wikipedia

    en.wikipedia.org/wiki/The_Wild_North

    The Wild North was known at one stage by the working titles, "Constable Pedley", "The Wild North Country" and "North Country". [5] The film was based on the true story of Mountie Constable Arthur Pedley, who in 1904 was assigned to find a lost missionary in northern Alberta. He managed to succeed despite great difficulty. [6]

  7. AOL Mail

    mail.aol.com

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  8. Tunnel construction - Wikipedia

    en.wikipedia.org/wiki/Tunnel_construction

    Tunnel Construction. Tunnels are dug in types of materials varying from soft clay to hard rock. The method of tunnel construction depends on such factors as the ground conditions, the ground water conditions, the length and diameter of the tunnel drive, the depth of the tunnel, the logistics of supporting the tunnel excavation, the final use and shape of the tunnel and appropriate risk management.

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