The line graph illustrates the population of three counties, Columbia, Yamhill and Washington state of Oregon which increased over 60 years, between 1940 and 2000. Washington has the highest population of three counties in 60 years
The line graph shows the Population in the state of Oregon by county. Three counties that incresed in population between 1940 and 2000, Columbia, Yamhill and Washington had shown the
different increasing.