Drainage: References & Edit History

Article Contributors

Primary Contributors

  • Benjamin A. Jones
  • The Editors of Encyclopaedia Britannica
    Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree. They write new content and verify and edit content received from contributors.

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Article History

Type Description Contributor Date
Article title updated for style. Nov 05, 2026
Article thoroughly revised. Mar 01, 2022
Add new Web site: Prickwillow Engine Trust - How the Drainage Schemes came into being. Oct 29, 2015
Add new Web site: Fact Monster - Science - Drainage. Dec 09, 2011
Add new Web site: U.S. Environmental Protection Agency - Drainage. Dec 09, 2011
Article revised and updated. Nov 07, 2007
Article added to new online database. Jul 20, 1998
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