The U.S. Bureau of Land Management oversees about 385,000 square miles (997,000 square kilometers) in 12 Western states. The area the bureau managed in those states in 2016, and the share of those states' total area under bureau administration: Alaska: 112,845 square miles (292,267 square kilometers), 17 percent Arizona: 19,069 square miles (49,388 square kilometers), 16.7 percent California: 24,016 square miles (62,000 square kilometers), 14.7 percent Colorado: 13,027 square miles (33,739 square kilometers), 12.5 percent Idaho: 18,150 square miles (47,008 square kilometers), 21.7 percent Montana: 12,484 square miles (32,333 square kilometers), 8.5 percent Nevada: 73,395 square miles (190,092 square kilometers), 66.4 percent New Mexico: 22,026 square miles (57,047 square kilometers), 18.1 percent Oregon: 25,226 square miles (65,335 square kilometers), 25.6 percent Utah: 35,658 square miles (92,353 square kilometers), 42 percent Washington: 670 square miles (1,735 square kilometers), 0.9 percent Wyoming: 28,711 square miles (74,361 square kilometers), 29.4 percent ___ Sources: U.S. Bureau of Land Management, U.S. Census Bureau