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.
Dugway Proving Ground (DPG) is a US Army facility established in 1942 to test biological and chemical weapons, located about 85 miles (140 km) southwest of Salt Lake City, Utah and 13 miles south of the 2,624 sq mi Utah Test and Training Range forming the largest overland special use airspace in the United States.