Flag drawn for Wikimedia Cascadia. Colors from http://www.oregon.gov/DAS/pages/_image_pages/special.aspx http://www.sos.wa.gov/flag/download.aspx and http://www.eia.gov.bc.ca/wordmark/docs/Usage%20of%20the%20BC%20Mark.pdf
Own work
Zscout370 based on Alexander Baretich's design of the Cascadian Bioregional Flag