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  2. State shapes - Wikipedia

    en.wikipedia.org/wiki/State_shapes

    The shape of a state is determined by the political boundaries and geography that determine its territory, and that shape impacts the politics and economies of the state. [1] The six categories of state shapes are: compact; elongated or attenuated; fragmented; prorupted or protruded; perforated; and compound or complex. [2] [3] [4]

  3. Salient (geography) - Wikipedia

    en.wikipedia.org/wiki/Salient_(geography)

    Salient (geography) 25 languages. ... Andrés Eloy Blanco is the small western extension of the state, Arismendi is the larger eastern extremity. Páez, in Apure ...

  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. Geology of the United States - Wikipedia

    en.wikipedia.org/wiki/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 mountain ranges while the forces of ...

  6. Natural arch - Wikipedia

    en.wikipedia.org/wiki/Natural_arch

    Delicate Arch in Arches National Park, Utah, United States The Great Arch, Tabuk Province, Saudi Arabia. A natural arch, natural bridge, or (less commonly) rock arch is a natural landform where an arch has formed with an opening underneath.

  7. Geomorphology - Wikipedia

    en.wikipedia.org/wiki/Geomorphology

    John Edward Marr in his The Scientific Study of Scenery [23] considered his book as, 'an Introductory Treatise on Geomorphology, a subject which has sprung from the union of Geology and Geography'. An early popular geomorphic model was the geographical cycle or cycle of erosion model of broad-scale landscape evolution developed by William ...

  8. State - Wikipedia

    en.wikipedia.org/wiki/State

    State most commonly refers to: State (polity), a centralized political organization that regulates people and rules and stuff within a territory Sovereign state, not that important; Nation state, a state where the majority identify with a single nation (with shared culture or ethnic group) Constituent state, a political subdivision of a state

  9. Dell (landform) - Wikipedia

    en.wikipedia.org/wiki/Dell_(landform)

    In physical geography, a dell is a grassy hollow—or dried stream bed—often partially covered in trees. [1] [2] In literature, dells have pastoral connotations, frequently imagined as secluded and pleasant safe havens. The word "dell" comes from the Old English word dell, which is related to the Old English word dæl, modern 'dale'.