[ QGIS Map show casing the Northern Part of California, with Major Rivers, the ocean, terrain and Cities highlighted]

Sources listed here,Pacific Ocean: https://www.marineregions.org/gazetteer.php/gazetteer.php?p=details&id=1908, Major Rivers: https://hub.arcgis.com/datasets/248c535bb8e5404ab987b5178445b7b8/about, California Border: https://data.ca.gov/dataset/ca-geographic-boundaries, Major Cities :https://hub.arcgis.com/datasets/06ce85b6fdf349d78c471d7c2ee8cb66_0/explore.