Geology 101 Library Guide Locating Geologic Maps in the ASU Libraries' Map Collection Topographic Maps in the ASU Libraries' Map Collection Outline Maps Outline maps show basic information about an area, such as the counties in a state, the provinces or administrative regions in a country, the countries on a continent, or the entire World. Because they show only the basic boundary information, they can be used as base maps to plot additional data. The Central Intelligence Agency publishes maps of the World each year, and also publishes maps of various countries, continents and regions of the World. Atlases Atlases, books of maps, can be found using the ASU Libraries' Online Catalog . A few general atlases can be found at both the Hayden Library and Noble Library Reference Desks.
Historical atlases contain maps that show historical information.
They can be found using the ASU Libraries' Online Catalog . Encyclopedias Encyclopedias can be a good source for basic maps of countries and states. An online version of the Encyclopedia Britannica , accessible for on-campus use, contains maps. International encyclopedias can also be a good source for maps showing political subdivisions in the country of publication. General encyclopedias from the United States and various countries around the world are located in the libraries' reference collections.