Dasymetric Map

http://www4.uwsp.edu/geo/faculty/ritter/geog101/textbook/essentials/map_types.html

This is a dasymetric map that is a thematic map used to classify volumetric data such as population density and in this case temperature. It has the ability to realistically place data as to allow the viewer easy analysis of the map. This map shows median minimal temperatures for the American continent using shading and a key.

Univariate Choropleth Map

http://www.cdc.gov/pcd/issues/2007/oct/07_0091.htm

This is a univariate choropleth map that depicts the poverty of individuals around the United States. The areas with darker shading are areas of high poverty and vice versa. This map uses a single image to convey its point and is shown using colors and shading.

Cave Survey

http://www.cavinguk.co.uk/info/cresSurv/
This is a cave survey map that shows the elevation and distance the crescent cave encompasses. This map is extremely important because it can mean a matter of life or death if someone needs to quickly analyze the map and get out. The simpler the better is the case for this type of map.

Cadastre Map

http://fr.wikipedia.org/wiki/Fichier:Cadastre_fortifications.jpg

This is a cadastre map that shows the comprehensive boundaries of this fortification. It shows the bounds of the real property of the area and includes ownership notifications.

Bivariate Choropleth Map

http://labiemapcatalog.blogspot.com/2010/11/bivariate-choropleth-map.html
This is a bivariate choropleth map that shows the population density in the southern region of Russia. You can clearly see the difference in shading showing the different densities over the certain regions of Russia. The left map shows the change over a few years in density and it allows people to see two different variables at the same time.

Bathymetric map

 http://www.chsmith.com.au/Products/CMAP-Bathymetric-Charts.html

This is a bathymetric map that shows the topography of the ocean off the coast of Tasmania. This map type depicts the ocean floor and shows how rapidly the ocean may drop off and where deep points are. This map type is especially useful for fisherman as the knowledge of where ocean ledges are allow them to catch more fish.

Aeronautical map

http://www.cfinotebook.net/notebook/navigation/Charts.html
This is an aeronautical map that shows the areas which different airports control. It also shows certain cities and which direction the runway is oriented. This is such a map because it encompasses radio channels for which the planes use to contact the airport control tower to secure a safe landing. It also allows pilots a way to land planes without GPS.