In fact, it is almost perfectly conterminous with lands conquered by Muslim dynasties in the centuries after the death of the Prophet Muhammad.
Arizona achieved statehood on February 14 , 1912 the last of the 48 conterminous United States to be admitted to the union.
Southern populations, especially those in the conterminous United States, are threatened by habitat loss and fragmentation from logging and agricultural conversion, and many individuals are victims of vehicle strikes or are captured in traps meant for other species.
Estimates for the conterminous United States, an area of about 7,770,000 square kilometres, give some 5,230,000 kilometres of channel length.
(Since this article covers only the conterminous United States, see also the articles Alaska and Hawaii).
Both the highest and lowest points in the 48 conterminous states are in the state of California Mount Whitney and Death Valley, respectively.
In 1928 it became the first company to market in the conterminous 48 states, and in the 1930s it began operations in Canada, Colombia, and Venezuela.
For example, the highest annual precipitation levels in the 48 conterminous states (more than 150 inches [3,800 mm]) occur on the southwestern slope of the Olympic Mountains, while the greatest annual precipitation total in Canada (more than 200 inches [5,000 mm]) occurs along the British Columbia coast north of Vancouver Island.
The name is used in regional geologic and physiographic descriptions of North America and the conterminous United States.
In the regional physiography of the conterminous United States, the Interior Lowlands are composed chiefly of the great Central Lowland of the Midwestern states and the Great Plains landform region to the west.
In 1994 the California Desert Protection Act added more than 2,000 square miles (5,100 square km) and redesignated it a national park, the largest in the 48 conterminous U.S. states.
