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  2. Arch dam - Wikipedia

    en.wikipedia.org/wiki/Arch_dam

    An arch dam is a concrete dam that is curved upstream in plan. [1] The arch dam is designed so that the force of the water against it, known as hydrostatic pressure , presses against the arch, causing the arch to straighten slightly and strengthening the structure as it pushes into its foundation or abutments.

  3. File:Oklahoma City Oil Field Cross Section.pdf - Wikipedia

    en.wikipedia.org/wiki/File:Oklahoma_City_Oil...

    Original file (881 × 1,187 pixels, file size: 94 KB, MIME type: application/pdf) This is a file from the Wikimedia Commons . Information from its description page there is shown below.

  4. Alum Creek Lake - Wikipedia

    en.wikipedia.org/wiki/Alum_Creek_Lake

    The spillway is located high on the right abutment with the raceway dropping off in front of it to the stilling basin below. Control is provided by three 34 ft (10 m) by 25 ft (7.6 m) tainter gates supported by 8 ft (2.4 m) wide concrete piers resting on concrete ogee sections. The ogee sections have a crest elevation of 878 feet (268 m) and ...

  5. Eurocode 2: Design of concrete structures - Wikipedia

    en.wikipedia.org/wiki/Eurocode_2:_Design_of...

    Logo of Eurocode 2 An example of a concrete structure. In the Eurocode series of European standards (EN) related to construction, Eurocode 2: Design of concrete structures (abbreviated EN 1992 or, informally, EC 2) specifies technical rules for the design of concrete, reinforced concrete and prestressed concrete structures, using the limit state design philosophy.

  6. List of counties in Oklahoma - Wikipedia

    en.wikipedia.org/wiki/List_of_counties_in_Oklahoma

    Cherokee Outlet, then County Q in Oklahoma Territory [61] The Skidi Pawnee Native American people: 27.83 15,864: 570 sq mi (1,476 km 2) Payne County: 119: Stillwater: 1890: County 6 in Oklahoma Territory in 1889, renamed to Payne County in 1907 [62] David L. Payne, the key figure in opening Oklahoma to white settlement: 121.50 83,352: 686 sq mi ...

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    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. U.S. Army Corps Engineers, Tulsa District - Wikipedia

    en.wikipedia.org/wiki/U.S._Army_Corps_Engineers...

    The low flow pipe system and the Supersaturated Dissolved Oxygen System were the result of a partnership between the Corps of Engineers, Oklahoma Department of Wildlife Conservation, Southwestern Power Administration, U.S. Fish and Wildlife Service, Oklahoma Water Resources Board, Sequoyah Fuel, Tenkiller Utilities, Trout Unlimited, and Tulsa ...

  9. 'Action steps' in new Catholic Church guide on Indigenous ...

    www.aol.com/action-steps-catholic-church-guide...

    The St. Louis Church and School in Pawhuska, Oklahoma, is shown in this photograph. The St. Louis Boarding School for Girls was run by the Sisters of St. Francis, Sisters of Loretto and Sisters of ...

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