I attempted to delineate the Upper Truckee River Watershed using Google MyMaps, see Figure 1, below. Figure 2 shows the actual watershed delineation. As you can see, I mapped too far out on the west and north-east sides in my attempt to delineate. The area for my delineation was 65.8 mi 2 compared to the actual area which is 56.5 mi 2 . The highest point of the Upper Truckee River Watershed is at Red Lake Peak, approximately 10,063 ft above sea level. The lowest point is at lake level, approximately 6,222 ft, for a change in altitude of 3,841 ft. The Upper Truckee River is the main channel supporting the watershed with smaller tributaries such as Grass Lake Creek, Angora Creek, Echo Creek, and Big Meadow Creek draining into the river. South Lake Tahoe is the main city located and supported by the watershed, and has a population or approximately 22,535, as well as a booming tourist industry, with approximately 15 million visitors annually. Figure 1 Self Delineation Fi...