How much iron you need each day depends on your age, gender, and overall health. Infants and toddlers need more iron than adults, in general, because their bodies are growing so quickly. In childhood, boys and girls need the same amount of iron -- 10 milligrams daily from ages 4 to 8, and 8 mg daily from ages 9 to 13.
The north end of Wallowa Lake in December. Wallowa Lake is a ribbon lake 1 mile (1.6 km) south of Joseph, Oregon, United States, at an elevation of 4,372 ft (1,333 m). Impounded by high moraines, it was formed by a series of Pleistocene glaciers.
Wallowa Lake has been used in Geology text books as an example of a lake dammed by moraines. These moraines begin well below the water's surface and climb to over 900 ft (270 m) above the lake.