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United States - New World Encyclopedia

The United States of America—also referred to as the United States, the USA, the U.S.,America, or (archaically) Columbia–is a federal republic of 50 states and

Historical perspective [This Dynamic Earth, USGS]

In geologic terms, a plate is a large, rigid slab of solid rock. The word tectonics comesfrom the Greek root "to build." Putting these two words together, we get the

Utah | history - geography - state, United States ...

Utah: Utah, constituent state of the United States of America; it became the 45th memberof the union on January 4, 1896. Mountains, high plateaus, and deserts form

Geography of the United States - Wikipedia

The term "United States", when used in the geographical sense, is thecontiguous United States, the state of Alaska, the island state of Hawaii, the fiveinsular

Map of Regions of the United States - ThoughtCo

What region is your state located within? Check out this listing of U.S. regions, withtheir accompanying states.

Energy in the United States - Wikipedia

The United States was the 2nd largest energy consumer in 2010 (after China) consideringtotal use. The U.S. ranks seventh in energy consumption per-capita after

Minnesota | history - geography - state, United States ...

Minnesota: Constituent state of the United States of America. It became the 32nd state ofthe union on May 11, 1858. A small extension of the northern boundary makes

The United States of oil and gas - Washington Post

The United States of oil and gas Since 2010, the United States has been in an oil-and-gasboom. In 2015, domestic production was at near-record levels, and