A deranged drainage system is a drainage system in drainage basins where there is no coherent pattern to the rivers and lakes. It happens in areas where there has been much geological disruption. The classic example is the Canadian Shield.
The Comstock Lode is a lode of silver ore located under the eastern slope of Mount Davidson, a peak in the Virginia Range in Nevada (then western Utah Territory).It was the first major discovery of silver ore in the United States.redit for the discovery of the Comstock Lode is disputed. It is said to have been discovered, in 1857, by Ethan Allen Grosh and Hosea Ballou Grosh, sons of a Pennsylvania clergyman, trained mineralogists and veterans of the California gold fields. Hosea injured his foot and died of septicaemia in 1857.
Wife of a Migratory Laborer ,1938 Farm Security Administration/Office of War Information Black-and-White Negatives. The widespread prosperity of the 1920s ended abruptly with the stock market crash in October 1929 and the great economic depression that followed. The depression threatened people's jobs, savings, and even their homes and farms. At the depths of the depression, over one-quarter of the American workforce was out of work.