1. Hutchinson, Kansas: A geologic detective story;Allison;Geotimes,2001
2. Allison M. L. (2004) Kansas Bar Association, 26th Annual KBA/KIOGA Oil and Gas Law Conference Hutchinson gas explosions — unraveling a geologic mystery, 1, pp. 3‐1 to 3‐29.
3. Associated Press (2004) Gas leak forces 30 to evacuate, underground storage well has a crack. The Sun Herald on-line, posted 2 January 2004. World Wide Web Address: http://www.sunherald.com/mld/sunherald/news/state/7615998.htm .
4. Bardwell S. K. Horswell C. (2004) Valve failure sends flames into sky at moss bluff storage facility. Houston Chronicle, 20 August, 2004.
5. Blalock B. (2004) Chevron-Texaco. Personal communication on 6 February 2004.