https://upload.wikimedia.org/wikipedia/commons/thumb/6/66/Green_Valley%2C_American_River%2C_from_the_Central_Pacific_Railroad%2C_4_miles_above_Alta%2C_Placer_County%2C_by_Thomas_Houseworth_%26_Co..png/120px-Green_Valley%2C_American_River%2C_from_the_Central_Pacific_Railroad%2C_4_miles_above_Alta%2C_Placer_County%2C_by_Thomas_Houseworth_%26_Co..png