who first used asphalt?
indigenous peoples
was it used one boats?
Yes
was it used in decorations?
Yes
does it seal things?
Yes
can it be used in placed of glue?
Yes
where does it come from?
Alberta, Canada
does it come from anywhere in the US?
the "tar sands" in Utah
is it refined in north america?
Yes
who has most of the bitumen?
Alberta does
how early was it used?
as early as the 13th century
which country has the 3rd largest oil reserves?
Canada
how many indigenous peoples are mentioned?
Three