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  2. Wikipedia:Blank maps - Wikipedia

    en.wikipedia.org/wiki/Wikipedia:Blank_maps

    Image:Map of USA-bw.png – Black and white outlines for states, for the purposes of easy coloring of states. Image:BlankMap-USA-states.PNG – US states, grey and white style similar to Vardion's world maps. Image:Map of USA with county outlines.png – Grey and white map of USA with county outlines.

  3. File : Illinois Free And Slave Counties 1824 Map II.jpg

    en.wikipedia.org/wiki/File:Illinois_Free_And...

    Main page; Contents; Current events; Random article; About Wikipedia; Contact us; Donate

  4. File:Map of USA with county outlines (black & white).png

    en.wikipedia.org/wiki/File:Map_of_USA_with...

    Map of the USA showing borders of states and counties. Adapted by Wapcaplet from a public-domain map courtesy of the U.S. Census Bureau website. Date: 25 September 2006: Source: en:File:Map of USA with county outlines.png: Author

  5. List of principal and guide meridians and base lines of the ...

    en.wikipedia.org/wiki/List_of_principal_and...

    Primarily from the United States Government Printing Office Style Manual. [1] State names usually signify only parts of each listed state, unless otherwise indicated. Based on the BLM manual's 1973 publication date, and the reference to Clarke's Spheroid of 1866 in section 2-82, coordinates appear to be in the NAD27 datum.

  6. File:1837 plat map of Brooklyn, Illinois.jpg - Wikipedia

    en.wikipedia.org/wiki/File:1837_plat_map_of...

    File:1837 plat map of Brooklyn, Illinois.jpg. ... Plat map (cadastral survey ... made for Thomas Osburn and four other white landowners who initially owned the land ...

  7. File:Map of Illinois highlighting Central Illinois.svg ...

    en.wikipedia.org/wiki/File:Map_of_Illinois...

    For more information, see Commons:United States county locator maps. Public domain Public domain false false I, the copyright holder of this work, release this work into the public domain .

  8. Aerial photographic and satellite image interpretation

    en.wikipedia.org/wiki/Aerial_photographic_and...

    Black and white aerial photographs are frequently used for drawing maps, such as topographic maps. [5] Topographic maps are precise, in-depth descriptions of the terrain characteristics found in the areas or regions. [7] Black and white aerial photography is capable of producing good-quality images under poor weather conditions, such as foggy ...

  9. Topographic map - Wikipedia

    en.wikipedia.org/wiki/Topographic_map

    Topographic maps are also commonly called contour maps or topo maps. In the United States, where the primary national series is organized by a strict 7.5-minute grid, they are often called or quads or quadrangles. Topographic maps conventionally show topography, or land contours, by means of contour lines.

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