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2. Geology of the United States - Wikipedia

   en.wikipedia.org/wiki/Geology_of_the_United_States

   Geology of the United States. Shaded relief map of the United States, showing 10 geological provinces. The richly textured landscape of the United States is a product of the dueling forces of plate tectonics, weathering and erosion. Over the 4.5 billion-year history of the Earth, tectonic upheavals and colliding plates have raised great ...

3. Geography of the United States - Wikipedia

   en.wikipedia.org/wiki/Geography_of_the_United_States

   The US has the 2nd largest Exclusive Economic Zone of 11,351,000 km 2 (4,383,000 sq mi). By total area (water as well as land), the United States is either slightly larger or smaller than the People's Republic of China, making it the world's third or fourth-largest country.

4. Physiographic regions of the United States - Wikipedia

   en.wikipedia.org/wiki/Physiographic_regions_of...

   The physiographic regions of the contiguous United States comprise 8 divisions, 25 provinces, and 85 sections. [1] The system dates to Nevin Fenneman 's report Physiographic Divisions of the United States, published in 1916. [2] [3] The map was updated and republished by the Association of American Geographers in 1928. [4]

5. Great Appalachian Valley - Wikipedia

   en.wikipedia.org/wiki/Great_Appalachian_Valley

   The Great Appalachian Valley, also called The Great Valley or Great Valley Region, is one of the major landform features of eastern North America. It is a gigantic trough, including a chain of valley lowlands, and the central feature of the Appalachian Mountains system. The trough stretches about 1,200 miles (1,900 km) from Quebec in the north ...

6. United States Geological Survey - Wikipedia

   en.wikipedia.org/wiki/United_States_Geological...

   The United States Geological Survey (USGS), founded as the Geological Survey, is an agency of the U.S. Department of the Interior whose work spans the disciplines of biology, geography, geology, and hydrology. The agency was founded on March 3, 1879, to study the landscape of the United States, its natural resources, and the natural hazards ...

7. Western United States - Wikipedia

   en.wikipedia.org/wiki/Western_United_States

   The Western United States (also called the American West, the Western States, the Far West, the Western territories, and the West) is one of the four census regions defined by the United States Census Bureau. As American settlement in the U.S. expanded westward, the meaning of the term the West changed.

8. Geography of North America - Wikipedia

   en.wikipedia.org/wiki/Geography_of_North_America

   With an estimated population of 580 million and an area of 24,709,000 km 2 (9,540,000 mi 2), the northernmost of the two continents of the Western Hemisphere [1] is bounded by the Pacific Ocean on the west; the Atlantic Ocean on the east; the Caribbean Sea on the south; and the Arctic Ocean on the north. The northern half of North America is ...

9. Geology Camp gives kids view into rocks, seismology

   www.aol.com/news/geology-camp-gives-kids-view...

   Jun. 21—Making maps, hiking, exploring the geology around them and making a seismometer are among the things kids in University of Texas Permian Basin's Geology Camp have learned about this week.