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| | NationMaster - American Geography statistics (Site not responding. Last check: 2007-10-30) |
 | | mostly temperate, but tropical in Hawaii and Florida, arctic in Alaska, semiarid in the great plains west of the Mississippi River, and arid in the Great Basin of the southwest; low winter temperatures in the northwest are ameliorated occasionally in January and February by warm chinook winds from the eastern slopes of the Rocky Mountains |
 | | North America, bordering both the North Atlantic Ocean and the North Pacific Ocean, between Canada and Mexico |
 | | vast central plain, mountains in west, hills and low mountains in east; rugged mountains and broad river valleys in Alaska; rugged, volcanic topography in Hawaii |
| www.nationmaster.com /country/us/geo (171 words) |
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