Thursday, September 18, 2008

Dot Distribution Map


This dot distribution map shows the world population. The problem with this particular map is that it shows 1 dot per 100,000 people and therefore makes it appear as if some areas are not populated at all.

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Propaganda Map


This is a type of propaganda map which depicts Israel's Prime Minister seemingly waiting for U.S. President Bush to give him a rather large pair of sicissors to "wipe" Gaza off of the map. Propaganda maps are used to spread rumors that will either help or harm people, groups and movements.




URL:


http://farm3.static.flickr.com/2230/2258195878_17fbeab5cb.jpg

Hypsometric Map



This hyposometric map of the Middle East, specifically Iraq, is similar to a topographic map in that it shows elevations above sea level by shading and tinting.
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PLSS Map


The Public Land Survey System map divides all public domain lands in the United States in order to locate certain townships. The original Public Land Survey helped to mark the land for future development.
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Sunday, September 7, 2008

Cadastral Maps


This Cadastral map shows an early settlement developed by the Johnson family taken from ancestry.com. A Cadastral map shows specific boundaries such boundaries in land ownership. If you own a home and have a map of your subdivision showing property lines, you have a cadastral map.
URL:
http://freepages.history.rootsweb.ancestry.com/~exy1/gracemere/images/Gracemere_cadastral.jpg

Thematic Maps



This thematic map represents the different levels of moisture in the soil across the United States. Thematic maps generally show a distribution of something such as moisture levels in soil, census data or political affiliation.
URL:
http://soils.usda.gov/use/thematic/images/drought_1_gen_area_map.jpg


Topographic maps show the changes in elevation by using the vertical and horizontal positions of the earth's surface. This particular map is of my home State, Colorado. Different elevations are represented not only by shades of color, but also by the visual representation of raised mountains.
URL:
http://www.geomart.com/images/raisedrelief/co.jpg

Planimetric Map


This planimetric map shows the route for a proposed rail tunnel under the Channel of Sicily for a Europe-Africa rail link. It is a planimetric map because it shows the horizontal positions of the map features and does not include topographic information.
URL:
http://www.schillerinstitute.org/graphics/conferences/070915_Kiedrich/galloni/sicily_tunisia_tunnel_map.jpg