All Things Maine
All Things Maine

Friday, March 10, 2006

Historic Map Mashups

Orbis LLC is a "Gray-based startup that combines cutting-edge geographic information computer technology with historic maps, records and other information." That means they can create products with an extra, historical dimension that conventional maps lackā€”like this aerial photograph of Portland overlaid with a 1776 British admiralty map.
The end result can tell a real estate developer, for instance, what the history of a parcel is, whether he might encounter graves from a century-gone churchyard or ground contaminated with arsenic from a tannery that was there 80 years ago. [Link]
You can see some of their work in the current Osher Map Library exhibit, The Changing Peninsula: Two Centuries of Portland Maps and City Views.
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