This week is school trip week here in Maine. I typically take this week off to go ice fishing on Moosehead Lake.
In Google Earth Pro (the complimentary desktop variation of Google Earth) you will discover the Rumsey Historical Maps collection noted in the gallery of layers on the left hand side of your screen. When you switch on that layer youll see map icons appear all over the map. Zoom-in and click those icons to see the historic maps and see them layered over present Google Earth images. See my brief video below to see how this process works.

Applications for EducationLayering historical maps over present imagery is one of my favorite usages of Google Earth. Doing this provides trainees a better view and understanding of how the geography of a city or a geographical area has actually changed in time.