According to the U.S. Census Bureau, the county has a total area of 526 square miles (1,360 km 2), of which 504 square miles (1,310 km 2) is land and 22 square miles (57 km 2) (4.2%) is water.
Grain products are the leading source of carbohydrates in the American diet. Grains naturally contain high concentrations of starch, which your gastrointestinal system breaks down into sugars. Common grains in the U.S. diet include wheat, oats, rice, barley and cornmeal.
Good sources of complex carbohydrates include whole grains, vegetables and fruits. Vitamins. Found in a variety of foods, especially vegetables and fruits and are key in helping the body make energy from food. 1  Vitamin A (beta-carotene, retinol). 2  Vitamin B1 (thiamin). 3  Vitamin B2 (riboflavin). 4  Vitamin B3 (niacin).5  Vitamin B5 (pantothenic acid). 6  Vitamin B6 (pyridoxine). 7  Vitamin B7 (biotin).itamins. Found in a variety of foods, especially vegetables and fruits and are key in helping the body make energy from food. 1  Vitamin A (beta-carotene, retinol). 2  Vitamin B1 (thiamin). 3  Vitamin B2 (riboflavin). 4  Vitamin B3 (niacin). 5  Vitamin B5 (pantothenic acid). 6  Vitamin B6 (pyridoxine). 7  Vitamin B7 (biotin).