To view the map at full size (scale) in Internet Explorer,
wait until the
appears in the lower
right hand corner and click on it. It tends to disappear it you go off
the map so it may take a couple tries to click it. This is not a trick
and is a function of the browser window.
To download a map, right click on the "thumbnail" map
and select "Save Target As".
The actual wording may vary depending on your operating system.