Planimetric Map

http://college.cengage.com/geology/resources/protected/physicallab/resourcedesk/glossary/p/planimetricmap.htm

A Planimetric map is a two dimensional map that is used to show roads, cultural, natural features, and information that is not related to surface topography. Planimetric maps don't regard elevation, they only deal with horizontal positions and features. The map above shows the pH of precipitation from March 25 to April 21, 1991. This map doesn't deal with surface topography but instead a natural feature: acidity in rainfall.