Pie chart. 1  Comparing pie charts of different sizes could be misleading as people cannot accurately read the comparative area of circles. 2  The usage of thin slices, which are hard to discern, may be difficult to interpret. 3  The usage of percentages as labels on a pie chart can be misleading when the sample size is small.
Hill Air Force Base. Hill Air Force Base (IATA: HIF, ICAO: KHIF, FAA LID: HIF) is a major U.S. Air Force base located in northern Utah, just south of the city of Ogden, and near the towns of Clearfield, Riverdale, Roy, Sunset, and Layton. It is about 30 miles (48 km) north of Salt Lake City.
Fast Facts. Location: Travis Air Force Base is located in Solano County in Northern California near the cities of Fairfield, Suisun City, and Vacaville. Travis lies midway between Sacramento, the state capital, and San Francisco, the cultural heart of the West Coast.