#14: Cartogram

A cartogram is a map in which a variable such as population is substituted for land area, the geometry of the map is distorted to convey the information. This particular cartogram is of the United States and shows each county resized based on its population, the colors used are based on the 2004 election popular vote.
http://upload.wikimedia.org/wikipedia/en/4/47/Cartlinearlarge.png

#13: Isoline Map

An Isoline map is one that has continuous lines joining points of the same value, isoline maps can be used to show levels of elevation, temperature, wind speeds, and pressure. This map shows the mean annual precipitation for Mexico, each line moves continuously showing areas with the same amount of rainfall.
http://www.lib.utexas.edu/maps/atlas_mexico/mean_annual_precipitaion.jpg

#12: Hypsometric Map

Hypsometric maps are a type of topographic map that uses lines and colors to show the difference in levels of terrain. In this map the darker colors represent areas of lower elevation and the light beige represents the areas of highest elevation.

http://www.reliefshading.com/colors/pictures/hypso_france.jpg

#11: PLSS Map

PLSS stands for Public Land Survey System, these maps are used to survey and identify land parcels. They are most commonly used for rural or undeveloped land. This map shows the principal meridians and baselines for the states that are a part of the PLSS.

http://gis.nwcg.gov/giss_2006/job_aids/maps_and_graphics/USA_PLSS_Meridians_map.jpg

#10: Propaganda Map

Propaganda maps are used by the government to persuade people of certain plans or educate the public, they can also be used as method of intimidation against other countries. This map is of Europe during World War 1, it uses people as well as animals to show the different sizes of countries and their power.
http://farm4.static.flickr.com/3281/2722416468_1aebcdebb2.jpg

#9: Mental Map

Mental Maps are based on someones own point of view, they can be very detailed or just a simple drawing like the one to the left. An example of a mental map could be driving directions based on a persons preferred path of travel. This particular map is a persons perception of Coal City, illinois. The map pinpoints places in the city that are particularly memorable to the map maker along with a bit of information on his experiences in each place.


Info from: http://www.uky.edu/~ulack/Geo152/unnumbered%20figure%20pg%2003.jpg

#8: Proportional Circle Map

This is a proportional circle map of internet users in Europe in 2004, the map uses circles of different diameters to represent different amounts of people. In this particular map the smallest circle represents under 200,000 people, and the largest circle represents over 8,500,000. Each circle is placed over a country and represents that countries data.