Kayakers paddle them south from British Columbia across the freezing bays of America 's northwest corner , and well-paid couriers carry up to 100 pounds at a time in makeshift backpacks , hiking eight hours over the rugged mountainous terrain that forms part of the border between the United States and Canada .
British Columbia /location/administrative_division/country Canada
Canada /location/country/administrative_divisions British Columbia
Canada /location/location/contains British Columbia
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British Columbia
LOCATION
Canada
LOCATION
/location/administrative_division/country
Canada
LOCATION
British Columbia
LOCATION
/location/country/administrative_divisions
Canada
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British Columbia
LOCATION
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