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  2. Quadrangle (geography) - Wikipedia

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

    A "quadrangle" is a topographic map produced by the United States Geological Survey (USGS) covering the United States. The maps are usually named after local physiographic features. The shorthand "quad" is also used, especially with the name of the map; for example, "the Ranger Creek, Texas quad". A quadrangle is defined by north and south ...

  3. United States Geological Survey - Wikipedia

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

    Today's U.S. Topo quadrangle (1:24,000) maps are mass-produced, using automated and semiautomated processes, with cartographic content supplied from the National GIS Database. [33] In the two years from June 2009 to May 2011, the USGS produced nearly 40,000 maps, more than 80 maps per work day. [33]

  4. List of quadrangles on Mars - Wikipedia

    en.wikipedia.org/wiki/List_of_quadrangles_on_Mars

    The maps below were produced by the Mars Global Surveyor ' s Mars Orbiter Laser Altimeter; redder colors indicate higher elevations.The maps of the equatorial quadrangles use a Mercator projection, while those of the mid-latitude quadrangles use a Lambert conformal conic projection, and the maps of the polar quadrangles use a polar stereographic projection.

  5. Mare Boreum quadrangle - Wikipedia

    en.wikipedia.org/wiki/Mare_Boreum_quadrangle

    Image of the Mare Boreum Quadrangle (MC-1). The region includes the North Polar ice cap, Korolov crater and Chasma Boreale. The Mare Boreum quadrangle is one of a series of 30 quadrangle maps of Mars used by the United States Geological Survey (USGS) Astrogeology Research Program. The Mare Boreum quadrangle is also referred to as MC-1 (Mars ...

  6. Beethoven quadrangle - Wikipedia

    en.wikipedia.org/wiki/Beethoven_quadrangle

    "Geologic Map Of The Beethoven (H-7) Quadrangle Of Mercury" (PDF). Prepared for the National Aeronautics and Space Administration by the U.S. Department of the Interior, U.S. Geological Survey. Published in hardcopy as USGS Miscellaneous Investigations Series Map I–2048, as part of the Atlas of Mercury, 1:5,000,000 Geologic Series.

  7. Mare Acidalium quadrangle - Wikipedia

    en.wikipedia.org/wiki/Mare_Acidalium_quadrangle

    The Mare Acidalium quadrangle is one of a series of 30 quadrangle maps of Mars used by the United States Geological Survey (USGS) Astrogeology Research Program. The quadrangle is located in the northeastern portion of Mars' western hemisphere and covers 300° to 360° east longitude (0° to 60° west longitude) and 30° to 65° north latitude.

  8. Tharsis quadrangle - Wikipedia

    en.wikipedia.org/wiki/Tharsis_quadrangle

    The Tharsis quadrangle is one of a series of 30 quadrangle maps of Mars used by the United States Geological Survey (USGS) Astrogeology Research Program. The Tharsis quadrangle is also referred to as MC-9 (Mars Chart-9). [1] The name Tharsis refers to a land mentioned in the Bible.

  9. Arabia quadrangle - Wikipedia

    en.wikipedia.org/wiki/Arabia_quadrangle

    The Arabia quadrangle is one of a series of 30 quadrangle maps of Mars used by the United States Geological Survey (USGS) Astrogeology Research Program. The Arabia quadrangle is also referred to as MC-12 (Mars Chart-12). [1] The quadrangle contains part of the classic area of Mars known as Arabia.

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