See the link below for a very graphic and detailed report from a slide survivor in Canada. It captures the sheer horror and panic, records the things that went wrong and allows lesson to be extracted. 

http://www.summitpost.org/phpBB3/backcountry-skiing-t57823.html

A factual newspaper report, giving time and place:

http://www.calgarysun.com/news/alberta/2011/02/27/17426846.html

Canadian Avalanche service report:

http://www.avalanche.ca/cac/library/incident-report-database/view/91aca4d1-3b7a-4d4a-9606-8d78c144e58c

Two of the three burials were very close and the second of those two was not found as a result. The searcher was confused by the double signal.