>
>
>>> Do they use salt on the roads out there (Boulder, CO)  in the winter?
>>>
>>>
>
>
> nope.   just sand.    we keep all the salt here to ourselves in the northeast
> :<)
>
> chris

Years ago, just sand.  Then salt, too.  But for the last few
years, a sol'n of magnesium chloride and other chemicals.
http://www.ci.boulder.co.us/clerk/WIP/2002/10-24-02/item4c_1.pdf
Colorado DOT uses salts from the Great Salt Lake on state roads--
still mostly mag chloride, I believe:
http://www.dot.state.co.us/TravelInfo/DeicerFactSheet.pdf

                        Richard A Jones
                        Boulder, Colorado