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  2. Tile drainage - Wikipedia

    en.wikipedia.org/wiki/Tile_drainage

    The effort increased his yield of wheat from 12 bushels per acre to 60. Johnston, the "father of tile drainage in America", [12] continued to advocate for tile drainage throughout his life, attributing his agricultural success to the formula "D, C, and D", i. e., dung, credit, and drainage. [13]

  3. Drainage equation - Wikipedia

    en.wikipedia.org/wiki/Drainage_equation

    A drainage equation is an equation describing the relation between depth and spacing of parallel subsurface drains, depth of the watertable, depth and hydraulic conductivity of the soils. It is used in drainage design.

  4. Drainage system (agriculture) - Wikipedia

    en.wikipedia.org/wiki/Drainage_system_(agriculture)

    The function of the field drainage system is to control the water table, whereas the function of the main drainage system is to collect, transport, and dispose of the water through an outfall or outlet. In some instances one makes an additional distinction between collector and main drainage systems.

  5. Watertable control - Wikipedia

    en.wikipedia.org/wiki/Watertable_control

    In geotechnical engineering, watertable control is the practice of controlling the height of the water table by drainage.Its main applications are in agricultural land (to improve the crop yield using agricultural drainage systems) and in cities to manage the extensive underground infrastructure that includes the foundations of large buildings, underground transit systems, and extensive ...

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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!

  7. NYT ‘Connections’ Hints and Answers Today, Saturday, December 14

    www.aol.com/nyt-connections-hints-answers-today...

    Spoilers ahead! We've warned you. We mean it. Read no further until you really want some clues or you've completely given up and want the answers ASAP. Get ready for all of today's NYT ...

  8. Structural clay tile - Wikipedia

    en.wikipedia.org/wiki/Structural_clay_tile

    Structural clay tiles are manufactured in a variety of standard sizes, including 4 inches (10 cm), 6 inches (15 cm), 8 inches (20 cm), 10 inches (25 cm) and 12 inches (30 cm)thicknesses, and typically 12 inches (30 cm) x 12 inches (30 cm) or 12 inches (30 cm) x 8 inches (20 cm) face dimensions. [5]

  9. Costco's most expensive cruise sale this year was a $293K ...

    www.aol.com/news/costcos-most-expensive-cruise...

    The CFO said the journey cost $293,000 for two travelers in the ship's owner's suite and included $13,000 in shipboard credits, as well as a $25,000 Costco Shop card.

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