File:Shallow Ground-level Trickle Filters.jpg: Revision history

11 March 2022

• curprev 19:5419:54, 11 March 2022‎ Maintenance script talk contribs‎ 28 bytes +28‎ == Summary == Importing file Tag: Server-side upload

13 October 2010

• curprev 21:4021:40, 13 October 2010‎ imported>Milton Beychok‎ m 476 bytes +476‎ Minor correction

22 June 2009

• curprev 04:3104:31, 22 June 2009‎ imported>Caesar Schinas‎ m 454 bytes +20‎ Bot: Replace Template:Image_notes_* with Template:Image_Details

30 May 2009

• curprev 02:1802:18, 30 May 2009‎ imported>Caesar Schinas‎ m 434 bytes 0‎ Robot: Changing template: PD-USgov

28 May 2009

• curprev 03:1203:12, 28 May 2009‎ imported>Caesar Schinas‎ m 434 bytes +434‎ Replace Pd-USgov by PD-USgov

17 April 2008

• curprev 11:3911:39, 17 April 2008‎ imported>Milton Beychok‎ 434 bytes +434‎ {{Image notes |Description= Shallow depth, ground-level trickle filters in a publically owned wastewater treatment plant |Author= United States Environmental Protection Agency |Date= Don't know |Source= http://www.epa.gov/owm/primer.pdf |Country first published in= United States |Copyright holder= United States Environmental Protection Agency |Notes= |Other versions=}}