File:LittletonEnglewood Trickle Filter.jpg: Revision history

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11 March 2022

13 October 2010

22 June 2009

25 April 2008

  • curprev 14:3814:38, 25 April 2008‎ imported>Milton Beychok‎ 492 bytes +492‎ {{Image notes bypermission |Description = Photo of a large-scale trickle filter in the wastewater treatment plant of Littleton-Englewood, Colorado, USA |Author = Don' know |Date = June, 2007 |Source = http://www.ci.englewood.co.us/Index.aspx?page=430 |Country first published in = United States |Copyright holder = City of Littleton-Englewood, Colorado, USA |Notes = |Other versions = }}
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