Abbreviation for Geographical Information System, a digital representation of location-based information that (among other uses) can be displayed on a map.

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3answers
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Application to create a Google Map of ancestors?

I had the idea some time back of working on an app that would take a GEDCOM and identify the geo-coordinates of each person's birthplace, then map these on a Google map. Do you know of any app that ...
4
votes
2answers
87 views

Looking for San Francisco maps c. 1912

I have a project that would benefit greatly from an area map of San Francisco. The dates of the project range from 1911-1913 so I would like to find as large-resolution map as possible of the ...
6
votes
4answers
915 views

Where do I find a 1910 map of Russia

Where do I find a map of 1910 Russia? My grandfather and his sister immigrated from a city that they spell differently on every document they complete. I would like to find the actual name and ...
12
votes
7answers
623 views

Tracking family names and migration patterns using GIS

I posted a question, Using web mapping and geocoding to track genealogical data, over at Geographic Information Systems SE awhile ago, so I was quite excited when I saw the proposal for this site. I ...