This site presents some of the work produced by the UN's mapping and GIS specialists. Two primary map collections are offered at the site in .pdf format: general maps (over 100) and deployment maps of peacekeeping...

This lesson shows students how to use various types of scales to measure distances on a map. Topics include the statement of equivalency, bar scales, the representative fraction, and how to measure distances along a...

This starting point site explains that Geographic Information Systems (GIS) represent a quantitative means to collect, analyze and present spatial information on paper or in computer format. At the introductory level,...

This starting point site offers pedagogical and practical reasons for using Geographic Information Systems (GIS).