GPS Instructions: You can carry a handheld GPS to a location, record the latitude/longitude coordinates (at least four decimal points), enter them into the GPS search function of this website and call up a series of maps showing the changes to that place over time.
For example, try entering the coordinates for Boston's Beacon Hill (Latitude: 42.35978, Longitude: -71.06617). All maps with geodata will appear in the results below the search form.
Click Here to view complete list of address searchable atlases.
GPS Instructions: You can carry a handheld GPS to a location, record the latitude/longitude coordinates (at least four decimal points), enter them into the GPS search function of this website and call up a series of maps showing the changes to that place over time. 
