http://www.npr.org/2013/03/28/175541626/why-grain-storage-bin-rescues-are-risky-and-complex
here is the audio file with the page out -- You received this message because you are subscribed to the Google Groups "massfire" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/massfire?hl=en. For more options, visit https://groups.google.com/groups/opt_out.
