This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Johnson Map of Washington Oregon and Idaho Geographicus WAORj. This is magnificent hand colored map depicts Washington state Oregon and Idaho This is rare variant upon the same Johnson map issue earlier in due to the defined IdahoMontana border This suggests that this map was issued late in following the formation of Montana