Mapping All Our Yesterdays

If you want to take a trip through the history of Richmond, Virginia, Yesterdays is a wonderful place to start. This interactive map brings together thousands of historical photographs and pins them to the places where they were taken.You can simply browse the map and see what photographs have been recorded in different parts of Richmond, or search the collection by date, subject and other data. For example you can set the timeline control to just view photographs of Richmond taken in the 19th Century. The result is a wonderfully addictive way to explore Richmond - one photograph, street and neighbourhood at a time.What makes Yesterdays particularly interesting is that it isn't simply a map of old photographs. It is also a collaborative platform for georeferencing historical images. Users can help identify where photographs were taken, add information about what they depict and improve the geographical data behind the collection. And the Richmond community has clearly embraced it.…