isotim — a line connecting points of equal transport costs. Intersecting isotims for multiple materials/products allow isodapanes to be drawn by connecting the points of intersection … Geography glossary
Contour line — This article is about lines of equal value in maps and diagrams. For more meanings of the word contour , see Contour (disambiguation). The bottom part of the diagram shows some contour lines with a straight line running through the location of… … Wikipedia
Alfred Weber — Infobox Person name = Alfred Weber image size = caption = German Economist, Sociologist, and Theoretician birth date = birth date|1868|7|30|df=y birth place = Erfurt, Prussian Saxony death date = death date and age|1958|5|2|1868|7|30|df=y death… … Wikipedia
Isolínea — Curvas de nivel de un mapa Curvas de nivel en una zona de montaña … Wikipedia Español