Outline Map of Massachusetts
This map is a basic black and white map showing the county lines as its only details.
Source: Indiana State University

Massachusetts Maps - (REQUIRES ADOBE ACROBAT)
Get great Massachusetts maps at this site.
Source: Secretary of the Commonwealth of Massachusetts

A href="http://www.sitesatlas.com/Maps/Maps/MA1.htm">Massachusetts State Map
If you need a map that shows the major freeways in Massachusetts, this is it!
Source: World Sites Atlas

Annual Average Precipitation Map
This map shows the average annual rainfall in the state.
Source: Spatial Climate Analysis Service, Oregon State University

Merriam Webster Atlas
This atlas page shows the Massachusetts state map and some quick facts. There is also a good explanation of the symbolism of the state flag.
Source: The New York Times and Merriam Webster