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.
Complex Carbohydrates:  polysaccharides  found in whole grain cereals, flour, bread, rice, corn, oats, potatoes, and legumes. DIETARY FIBER Sources of fiber from highest to lowest are highfiber grain products, nuts, legumes (kidney, navy, black and pinto beans), vegetables, fruits, and refined grain products.ther sources of protein include whole grains, rice, corn, beans, legumes, oatmeal, peas, and peanut butter. For those who do not eat meat, eggs, or dairy products, it is important to eat a variety of these other foods in order to get enough protein. SODIUM intake is recommended to be less than 3,000 milligrams daily.