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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 term "United States," when used in the geographical sense, refers to the contiguous United States (sometimes referred to as the Lower 48, including the District of Columbia not as a state), Alaska, Hawaii, the five insular territories of Puerto Rico, Northern Mariana Islands, U.S. Virgin Islands, Guam, American Samoa, and minor outlying possessions. [1]

4. Geology of Nebraska - Wikipedia

   en.wikipedia.org/wiki/Geology_of_Nebraska

   The geology of Nebraska is part of the broader geology of the Great Plains of the central United States. Nebraska's landscape is dominated by surface features, soil and aquifers in loosely compacted sediments, with areas of the state where thick layers of sedimentary rock outcrop. Nebraska's sediments and sedimentary rocks lie atop a basement ...

5. 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 ...

6. Geology of North America - Wikipedia

   en.wikipedia.org/wiki/Geology_of_North_America

   Geologic map of North America. The geology of North America is a subject of regional geology and covers the North American continent, the third-largest in the world. Geologic units and processes are investigated on a large scale to reach a synthesized picture of the geological development of the continent. The divisions of regional geology are ...

7. Geography - Wikipedia

   en.wikipedia.org/wiki/Geography

   e. Geography (from Ancient Greek γεωγραφία geōgraphía; combining gê 'Earth' and gráphō 'write') is the study of the lands, features, inhabitants, and phenomena of Earth. [1] Geography is an all-encompassing discipline that seeks an understanding of Earth and its human and natural complexities —not merely where objects are, but ...

8. Geography of Georgia (U.S. state) - Wikipedia

   en.wikipedia.org/wiki/Geography_of_Georgia_(U.S...

   Georgia is a state in the Southeastern United States in North America.The Golden Isles of Georgia lie off the coast of the state. The main geographical features include mountains such as the Ridge-and-valley Appalachians in the northwest, the Blue Ridge Mountains in the northeast, the Piedmont plateau in the central portion of the state and Coastal Plain in the south.

9. List of states and territories of the United States - Wikipedia

   en.wikipedia.org/wiki/List_of_states_and...

   A map of the United States showing its 50 states, federal district and five inhabited territories. Alaska, Hawaii, and the territories are shown at different scales, and the Aleutian Islands and the uninhabited northwestern Hawaiian Islands are omitted from the map. The United States of America is a federal republic [1] consisting of 50 states ...