Years ago , when I was living in San Francisco and working for Pacific Gas Transmission , which no longer exists , I worked on the pipeline that runs from Alberta , Canada , through California .
Alberta
Canada
/location/administrative_division/country
Canada
Alberta
/location/country/administrative_divisions
Canada
Alberta
/location/location/contains
California
San Francisco
/location/location/contains
LOCATION
San Francisco
ORGANIZATION
Pacific Gas Transmission
LOCATION
Alberta
LOCATION
Canada
LOCATION
California