In this beautiful high resolution watershed map of the United States, including the lower portion of the Cascadia Bioregion, all the permanent and temporary streams and rivers of the contiguous 48 states are shown in beautiful rainbow colours, divided into catchment areas. The map, by geographer by geographer Szűcs Róbert, shows the waterways using the Strahler Stream Order Classification which means the larger the body of water, the thicker the line, and help show the impact of watersheds on colonial development … Continue reading Watershed Map of the United States & Cascadia – by Szűcs Róbert