We have a trial of A To Z Maps Online . If you want to try it you will need to ask your reference department head or all Susan, Becky or Steve or Jon to get the user ID and password.
(They are in process of adding the entire USGS Topo Map Collection)
All maps can be printed and used for personal use. Some can even be printed in poster size for hanging on the wall.
If you have Google earth installed on your computer it can interact with it as well.
Includes Lesson Plans under Education Teaching Tools.