By Gillian Ferris Kohl
http://stream.publicbroadcasting.net/production/mp3/knau/local-knau-882716.mp3
Flagstaff, AZ – From the Grand Canyon to the Navajo Nation, snow shoveling has become a familiar sound over the last week. For days, people across northern Arizona have been digging-out from one of the strongest winter storms on record. But, all that snow has led to serious concerns about roof collapses, particularly in Flagstaff. Arizona Public Radio's Gillian Ferris Kohl reports.