DEM

http://www.satimagingcorp.com/svc/dem.html

Digital Elevation model displays an image of regularly spaced grid of elevation points. It uses a three dimensional geodetic system with the x-axis as easting’s, y axis as northing’s and z axis is the elevation.  This is an example of a DEM and displays an image of Eritrea Africa. This is an IKONOS image, which means the data, is from IKONOS satellite sensors.

Flow maps

http://euclid.psych.yorku.ca/SCS/Gallery/milestone/Test/thumb5/popup/bssn1_popup1-29.htm

Flow maps show the movement and path of objects from one location to another. This map shows transit routes of pedestrians through shaded lines and the density is demonstrated by the thickness of the line. This is one of the first published flow maps made. 

Dot distribution Map

http://lewishistoricalsociety.com/wiki2011/tiki-read_article.php?articleId=6

Dot Distribution maps shows the location of a certain type of feature by using a dots as a symbol. The scatter pattern of the dots demonstrates the spatial distribution of the feature. This map is of cell phone tower locations in the US. It can be seen that there is more concentration of cell phone towers in the east then in the west side of the US. 

PLSS

http://www.co.pacific.wa.us/gis/desktopgis/web/index.html

Public land surveying system is a rectangular surveying system mapping method, which is used to identify land, parcels before townships and ranges are identified. It divides areas into townships and ranges. This is an example of a PLSS map of Pacific county in Washington. The townships are labeled on the vertical axis and the ranges are located on the horizontal axis.

Cadastral Map

http://www.gpem.uq.edu.au/graphic-presentation-maps

Cadastral maps show the boundaries of land parcels in an area. It usually includes details of who owns what and the actual description of the boundaries as well as the parcel id. This map is a cadastral map of Montgomery County taken in 2010. It shows the boundaries of each parcel as well as information.

Mental Map

http://ocw.mit.edu/ans7870/MAS/MAS.965/f04/assignments/tripti/Assignment10/index.htm

A mental map is a map made of one’s own perception and knowledge of an area that they have interacted with. Nothing is to scale and the map of the same area made by another person may look completely different. This map is drawn from the perspective of Francis of Cambridge, Boston. It shows his perception of where different landmarks and places are and uses his own symbolism to represent each place.

Univariate Choropleth Map

http://visualizingeconomics.com/blog/2007/08/11/united-states-poverty-map

This map is an example of an univariate choropleth map. This map shows one type of data set value and uses different shading from yellow to red to show the concentration. This map plots the income in % of the United states. This map specifically shows the % living in poverty.