Dec 15 (Reuters) - Canadian National Railway Co CNR.TO :
* Files for debt shelf of up to C$6.0 billion - SEC filing
* Source text : http://1.usa.gov/1I6F7N1
* Further company coverage CNR.TO
Dec 15 (Reuters) - Canadian National Railway Co CNR.TO :
* Files for debt shelf of up to C$6.0 billion - SEC filing
* Source text : http://1.usa.gov/1I6F7N1
* Further company coverage CNR.TO