all the benches are plotted on google maps (https://www.google.com/maps/d/embed?mid=1OaqmRMqwWzl9XV-QiC5vxG60ftHr_FA) and that's all well and good until, a) NAC start removing the benches, and b) google update the satellite images.
then all the pins in the map will be pointing to ghost benches. although google street view allows you to travel back in time by using the slider, google maps doesn't.
the good news is that google earth does allow you to select which underlying satellite image to use, and I've spent a day creating a kml file that can be loaded into google earth.
as soon as it's needed, then I'll release it.