User:Mackensen
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| article_name = Turboliner
| date = October 29, 2016
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{{FA user topicon
| article_name = Superliner (railcar)
| date = June 15, 2017
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| article_name = Hi-Level
| date = April 21, 2018
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| article_name = Mountaineer (train)
| date = January 7, 2013
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| article_name = Pennsylvanian (train)
| date = July 31, 2013
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| article_name = North Coast Hiawatha
| date = November 24, 2013
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| article_name = Neifi Pérez
| date = December 7, 2013
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| article_name = 1996 Silver Spring, Maryland, train collision
| date = November 9, 2014
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| article_name = Broadway Limited
| date = January 21, 2015
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| article_name = EMD F40PH
| date = March 7, 2017
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| article_name = Amfleet
| date = July 9, 2017
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| article_name = GE E60
| date = July 12, 2017
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| article_name = EMD SDP40F
| date = July 12, 2017
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| article_name = City of Denver (train)
| date = July 13, 2017
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| article_name = EMD AEM-7
| date = December 20, 2017
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{{GA user topicon
| article_name = Elizabeth Peer
| date = December 21, 2017
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{{GA user topicon
| article_name = Highland Branch
| date = January 13, 2019
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{{GA user topicon
| article_name = Chris Creighton
| date = October 22, 2020
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Hi, I'm Mackensen. My real name is Charles. I have been a Wikipedian since August 24, 2003, and an administrator since September 30, 2004. I have served as a CheckUser and Oversighter and have twice served on the Arbitration Committee. I served one term on the Wikimedia Foundation's Ombudsman commission (2007–2009). I was also a founding member of the Audit Subcommittee.
These days I edit articles about railways and college football. I can be found here, on Commons, and on Wikidata. I do a lot with European railway lines and stations, including reconciling data issues between the three projects. I have access to the Schweers + Wall railway atlases for Switzerland, Germany (2020 edition), Austria, Italy + Slovenia, and France (volume I), and also the 2010 edition of Schienennetz Schweiz. See User:Mackensen/Library for a reasonably complete list of railroad books that I own. I'm happy to help with reference verification.
Places I've been
File:Port Henry station building.jpg|The station in Port Henry, New York
File:The Alps from Piz Gloria.jpg|The view from Piz Gloria
File:Vanishing point from the California Zephyr.jpg|Vanishing point from the back of the California Zephyr
File:greetsiel landscape 2003 05.jpg|To the north of Greetsiel, Germany
File:Bonn university night.jpg|University of Bonn
File:Edinburgh gardens 1990 11.jpg|The rock garden at the Royal Botanic Garden Edinburgh