Wikipedia contributors. (2023, August 28). Octagon. In Wikipedia, The Free Encyclopedia. Retrieved October 31, 2023, from https://en.wikipedia.org/w/index.php?title=Octagon&oldid=1172616040
About 65 percent of the forest acreage [of the Gifford Pinchot National Forest] is located in Skamania County. In descending order of land area the others are Lewis, Yakima, Cowlitz, and Klickitat counties.
Octagon (Wikipedia) In geometry, an octagon (from the Greek ὀκτάγωνον oktágōnon, “eight angles”) is an eight-sided polygon or 8-gon.