File:Map of US gas chamber usage.svg

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DescriptionMap of US gas chamber usage.svg	Usage of the gas chamber for the death penalty in the United States. State uses only this method. State uses this method primarily but has secondary methods. State uses this as a secondary method. State once used this method, but doesn't anymore. State has never used this method.
Date	6 July 2007
Source	Map from File:Blank US Map.svg by Theshibboleth. Information from US gas chamber usage.png by Evil Monkey and Shadowlink1014 who credited deathpenaltyinfo.msu.edu as the source. New colours by MissMJ Combined by Lokal_Profil
Author	Lokal_Profil
Permission (Reusing this file)	This file is licensed under the Creative Commons Attribution-Share Alike 2.5 Generic license. Attribution: Lokal_Profil You are free: to share – to copy, distribute and transmit the work to remix – to adapt the work Under the following conditions: attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use. share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original. CC BY-SA 2.5 truetrue
Other versions	Map of US lethal injection usage.svg Map of US firing squad usage.svg Map of US electric chair usage.svg
SVG development InfoField	The SVG code is valid. This map was created with Inkscape, or with something else.

File history

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	Date/Time	Dimensions	User	Comment
current	18:22, 3 May 2016	959 × 593 (80 KB)	Laberkiste	Updated after correspondence with DPIC
	04:59, 30 March 2016	959 × 593 (80 KB)	Laberkiste	Updated using http://www.deathpenaltyinfo.org/methods-execution?scid=8&did=245 as a source, changing states that have abolished the gas chamber since last file revision from "secondary" to "previously", including states that legalized nitrogen asphyxia...
	19:02, 29 March 2016	959 × 593 (80 KB)	Laberkiste	Image didn't update
	19:01, 29 March 2016	959 × 593 (80 KB)	Laberkiste	Reverted to version as of 22:50, 17 June 2008 (UTC)
	19:00, 29 March 2016	959 × 593 (80 KB)	Laberkiste	Updated some states.
	22:50, 17 June 2008	959 × 593 (80 KB)	Lokal Profil	Same colour change (except slightly different green) but using the existing css classes in the original map
	22:31, 17 June 2008	959 × 593 (112 KB)	MissMJ	Color change.
	16:51, 6 July 2007	959 × 593 (79 KB)	Lokal Profil	{{Information \|Description=Usage of the gas chamber for the death penalty in the United States.<br> <span style="background-color:#000000;"> </span> State use only this method.<br> <span style="background-color:#800000;"> &nbsp