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> and, who knows, it might actually be 99% and 99%.

It seems like I'm part of the 1%, at least once in my adult life :) I'm working on a personal project that involves placing medieval (East-European-based) villages on a Google Maps mashup. In order to do this I rely on 2 paper road-atlases of my country, one published in 2007 and the other one published in the 1930s (I use the latter because lots of villages had their names changed in the meantime or they had just plain disappeared).

At the beginning I did try to rely solely on Google Maps to locate those villages, but there were many cases in which the villages' names were just placed wrong, or they didn't show up at all (not to mention GMaps' latest bug involving diacritics, which makes letters like "ț" or "ș" show up badly on their maps).

Also, having a more general, zoomed-out view of the area you're interested in is really, really useful. It gives you a better understanding of the geographical context (are there mountains around? forests? is it a densely populated area?), which I could never reproduce when using digital maps. Maybe this is all caused by the fact that I'm sort of a map freak and I'm not using maps only to get driving directions, my mother actually bought me a World atlas when I was 5 or 6, and I've been in love with maps ever since, but then again, this article seemed to be targeting people like me.

A little OT, that 1930s road-atlas I mentioned has a very interesting story: as a result of the Ribbentrop-Molotov pact my country lost part of its territory, which used to be mapped in the atlas I own. After WW2 ended and the "friendly" Soviet Army installed a Communist government in my country, it was not politically safe anymore to have those (now Soviet) provinces as having been part of my country, so a kind person actually used scissors and glue and cut out said provinces from the atlas, by very carefully following the new, Soviet-approved border. It all kind of looks like this: http://imgur.com/n6c9y and http://imgur.com/qvcvM .

You cannot get all that from a digital map.

Just curious, what is the mashup you're working on? When researching historical places, I've often wished that Google Maps natively supported a 4th dimension so that changes over time could be recorded. Everything from "I want to see the businesses on this street as of 2001" to "Zoom out and see European boundaries as of 1100".

> Just curious, what is the mashup you're working on?

Putting on the map the villages of Wallachia (http://en.wikipedia.org/wiki/Wallachia), a historic Romanian province, by order of when they were first documented in the official archives. The project sits here: http://sate.maglina.ro/ , it's based on Django+Solr (there's a "Filter" menu at the top right), it's in Romanian, of course, but it's more or less self-explanatory.

I also created a couple of (I'd say cool :) ) heatmaps based on the data, which you can see here: http://sate.maglina.ro/heatmaps/ , giving a general idea where the early medieval settlements had a greater density. (for the heatmaps I used gheat, of course, http://code.google.com/p/gheat/ , which is a very, very cool project).

> I've often wished that Google Maps natively supported a 4th dimension so that changes over time could be recorded.

I feel you on that :) But, I'll have to admit, it could turn into a very controversial thing. For example, one of the reasons for which I started this small project of mine is that lots of historians (Hungarians and Romanians, mostly) have debated whether present-day Wallachia was inhabited by Romanians continuously (as the Romanian historians insist that it happened) or if said Romanians emigrated to Wallachia from South of the Danube somewhere around 1100-1200 or later (the Hungarians' view on the whole story). I was hoping that by putting on a map the Wallachian villages by order of them being officially mentioned it could clear up some things, at least for me :)

Please don't judge digital maps by Google Maps... Be aware that you can easily make a digital map that fits your needs if you have the geo data (like eg from OpenStreetMap).

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