Description: Modification of [:Image:CascadiaComparison.PNG], created by User:SebastianHelm for the Pacific Northwest article. Legend: Shaded area: Historical Oregon Country a.k.a Columbia District at its greatest extent; Green border: Cascadia bioregion (a.k.a. Pacific Northwest bioregion), defined as "the watersheds of rivers that flow into the Pacific Ocean through North America's temperate rainforest zone". Please feel free to edit and add other borders.
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Author: No machine-readable author provided. SebastianHelm assumed (based on copyright claims).
Usage Terms: Creative Commons Attribution-Share Alike 3.0
License Link: http://creativecommons.org/licenses/by-sa/3.0/
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