HOW TO CONSTRUCT AN ISOLINE MAP
How to read and interpret isoline maps An excellent introduction on how to read and use contour maps. Interpretation of colored maps, and description of how contour maps are made.
EXAMPLES OF ISOLINE MAPS
Below are a selection of sites to illustrate the vast array of applications of isoline maps. Note in many cases the maps have been shaded to enhance the spatial patterns.
Global
Climatic atlas: Generate maps of any variable The basic maps are isoline maps. The fill/shade option colors them in.