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surferguy · 11-18-2013, 02:27 PM

Lafarge Canada ‏@Lafarge_Canada 2m ...dry conditions and cold air resulted in an unusual cloud of dust. This was a routine, permitted effort. #yyc #Calgary

Can anybody comment on the science behind this explanation?

11-18-2013, 02:27 PM	#45
surferguy Monster Storm Join Date: Apr 2007 Location: Calgary Exp:	Lafarge Canada ‏@Lafarge_Canada 2m ...dry conditions and cold air resulted in an unusual cloud of dust. This was a routine, permitted effort. #yyc #Calgary Can anybody comment on the science behind this explanation? __________________ Shameless self promotion