From your PDF.
Whittier AK. 300 lb/ft!!!
From Wiki.
Whittier is a city in theValdez-Cordova Census Area, in the U.S. state ofAlaska.
Hard to believe Whittier is higher than Valdez.
Whittier gets about 257 inches per year of snow with a max of 401.
http://www.wrcc.dri.edu/cgi-bin/cliMAIN.pl?ak9829
Valdez gets about 287 inches per year of snow with a max of 550.
http://www.wrcc.dri.edu/cgi-bin/cliMAIN.pl?ak9686
Nobody really lives at Thompson pass ~25 miles east of Valdez but they average 552 inches of snow per year with a max of 974.
http://www.wrcc.dri.edu/cgi-bin/cliMAIN.pl?ak9146
I don’t know the area so it meant nothing to me.
and 300 lb/ft is a huge standard for snow load.
Wonder if Cordova typically gets less snow than Whittier AK?